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【320818】第5讲 图形的运动(学生版)(知识梳理+典例分析+举一反三+阶梯训练)人教新课标版

时间:2025-01-08 18:47:44 作者: 字数:9218字
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5讲 图形的运动热点难点一网打尽

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

知识点一:旋转

1.旋转的意义

把一个图形绕着某一点转动一定的角度的图形变换叫做旋转。

2.旋转的三要素

1)旋转点(或旋转中心):物体旋转时所绕的点就是旋转点(或旋转中心)。

2)旋转方向:钟表中指针运动的方向为顺时针方向;与钟表中指针运动的方向相反的方向为逆时针方向。

3)旋转角度:对应线段的夹角或对应点与旋转中心所连线段的夹角就是旋转角度。

3.图形旋转的特征:图形旋转后,形状和大小都没有发生变化,只是方向和位置变化了。

4.图形旋转的性质:旋转时,旋转中心的位置不变,图形的每个点、每条线段、每个角都绕旋转点按旋转方向转动了大小等于旋转角度的角。旋转前后,对应点到旋转点的距离相等,对应线段和对应角分别相等。

5.在方格纸上画简单图形旋转90°后的图形的方法

1)找出原图形的关键点;

2)明确是顺时针旋转还是逆时针旋转。

3)根据旋转方向,借助三角尺或量角器画原图形关键点与旋转中心所连线段的垂线;

4)在所画垂线上量出或数出与原线段相等的长度(即找到原图形关键点的对应点);

5)顺次连接所找到的对应点,即可得到原图形旋转90°后的 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 图形。

知识点二:利用平移或旋转等变换方式拼图

先观察变换后的图形,然后思路分析其中的每部分可以由原始图案经过什么样的变换得到,灵活运用平移和旋转可以有不同的变换方法。

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

考点1:旋转的三要素及旋转的特征

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

12019春•瑞安市校级期中)先观察图,再填空.

1)图1绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置;

2)图1绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置;

3)图1绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”顺时针旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图4的位置;

4)图2绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”顺时针旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图4的位置;

5)图2绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置;

6)图4绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是   

2)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是    K]

3)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是   

2.(2019春•江苏校级期末)从12时开始,时针按顺时针旋转180度后是   时,时针从3时到7时,按   时针方向旋转了   度.

3.(2019秋•泸县校级期中)先观察如图,再填空.

1)图1绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  逆时针 方向旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图2的位置;

2)图1绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>     <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图3的位置;

5)图3绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置;

6)图4绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到达图   的位置.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

考点2:画出简单图形旋转一定角度后的图形

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

22019春•淮上区期末)按要求画一画.

将长方形绕 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

将小旗围绕 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

将平行四边形绕 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1.(2019秋•博兴县期末)图中每个方格表示1平方厘米.

1)请画出右图绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转90度的图形.

2)将旋转后的图形向右平移3格.

3)在方格纸上画一个和已知三角形面积相等的长方形.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

2.(2019春•凤凰县期末)我会操作.

1)画出三角形绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”顺时针旋转9 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 0度后的图形,并标为图1

2)画出三角形绕点“ <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ”逆时针旋转180度后的图形,并标为图2

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

3.(2019春•单县期中)画出三角形绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 后的图形,长方形绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 后的图形.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

考点3:利用平移或旋转等变换方式拼图或设计图案

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

3.上图中,图形先绕直角顶点 顺 时针旋转   度,然后向   平移   格;图形先绕直角顶点   时针旋转   度,然后向   平移   格.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1.(2019春•隆化县校级期末)利用旋转画一朵小花.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

2.(2019秋•红花岗区期末)请你用图中的 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 图形,运用平移和旋转的方法,设计一副美丽的图案.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

3.(2019春•临安市校级期末)利用旋转设计美丽的图案.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1.(2019春•隆昌市期末)先观察如图,再填空

如图是利用一个基本图形经过   变换得来的.

2绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>   时针旋转90度到达图3的位置.

  绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转90度到达图4的位置.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> [来源:||]

2.(2019•芜湖模拟)如图,指针从 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 开始,顺时针旋转了90度到  <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  ,逆时针旋转了90度到   .要从 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 旋转到 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ,可以   时针旋转   度,也可以   时针旋转   度.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

3.(2019春•仁怀市校级期末)如图,指针从“1”绕中心点0顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 后指向   ,指针从“1”绕中心点0逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 后指向   

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

4.找一找,填一填.(将序号填在括号里)

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是   

2)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是  

3)以 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点为中心旋转的图形是  [来源:Zxxk.Com]

5.(2019春•镇江校级期中)在图下面的括号里填写“平移”或“旋转”.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

6.(2019春•泰兴市校级期中)体育老师口令是“向左转”,你的身体 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

A.顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> B.逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

C.顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> D.逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

7.(2019•武威)下面图案中,利用旋转设计的是 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

A <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> B <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> C <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

8.(2019秋•台安县期末)下列现象中,不属于旋转的是 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

A.钟表指针的运动 B.电梯的升降运动 C.拧开自来水龙头

9.(2019春•成武县期末)在下面三个图中,是由 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 旋转而得的是 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

A <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> B <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> C <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

10.三角形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 得到的三角形画得正确的是 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

A <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> B <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> C <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> D <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

11.请你根据旋转的现象填一填.

1)指针从“12”绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    

2)指针从“1”绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    

3)指针从“3”绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到“6”

4)指针从“6”绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到“12”

5)指针从“9”绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 逆时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

12.(2019春•凤庆县月考)指针从“12”绕点0顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到“   ”;指针从“1”绕点0顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到“   ”;指针从“6”绕点0顺时针旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到“12”

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

13.(2019春•龙陵县期末)画出三角形绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转90度,长方形绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 逆时针旋转90度后的图形.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

14.(2019秋•宁津县期中)(1)请把左边的图形绕 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点顺时针旋转90度;

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

2)请把右边的图形绕 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点逆时针旋转90度.

15.下面每小格是边长 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 的正方形.

1)利用旋转或平移,设计你喜欢的图案

2)画一个面积是10平方厘米的图形.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

16.图 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 的运动是绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>   方向旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ,再向   平移   格;图 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 的运动情况是绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    方向旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ,再向   平移   格;图 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 同时绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    方向旋转    <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ,再向   平移   格,向   平移   格得到“三角形”.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

17.看图填空.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1)图形2是图形1绕点  <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  顺时针方向旋转   ,又向   平移   格得到的;

2)图形4是图形1绕点   逆时针方向旋转  <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  ,又向   平移   格得到的;

3)图形3是图形2绕点   时针方向旋转   ,又向   平移   格得到的;

4)图形4是图形3绕点   时针方向旋转   ,又向   平移   格得到的.

18.照图先摆一摆,再回答问题.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>   <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  点顺时针方向旋转   ,又向   平移   格得到图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

2)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 可看作图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    点顺时针方向旋转   ,又向   平移   格所得的.

3)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    点顺时针方向旋转   .又向   平移   格可以得到图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

4)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>  <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 点顺时针方向旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> ,又向下平移3格,再向左平移3格可以得到图形   

5)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 可看作图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>    点顺时针方向旋转   ,又向左平移3格可以得到.

19.(2009春•龙海市期末)你知道方格纸上图形的位置关系吗?

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

1)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 可以看作图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 绕点  顺时针方向旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 得到的.

2)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 可以看作图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针方向旋转   得到的.

3)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针旋转 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 到图形   所在位置.

4)图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 可以看作图形 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 绕点 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a> 顺时针方向旋转   得到的.

20.标出图中的序号,说明每块是怎样平移或旋转的.

 <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/169/" title="运动" class="c1" target="_blank">运动</a> <a href="/tags/235/" title="知识" class="c1" target="_blank">知识</a> <a href="/tags/245/" title="训练" class="c1" target="_blank">训练</a> <a href="/tags/266/" title="分析" class="c1" target="_blank">分析</a> <a href="/tags/417/" title="阶梯" class="c1" target="_blank">阶梯</a>

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