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【330995】4.4 探索三角形相似的条件(1)

时间:2025-01-21 13:29:42 作者: 字数:3047字
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4 探索三角形相似的条件

一、选择题

1)如图1,在Rt <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>D点,则图中相似三角形有(

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

1

A4 B3 C2 D1

2)如图2,由下列条件不能判定 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 相似的是(


A <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> B <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> C <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> D <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>  <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

2 3

3)如图3D <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 的边AB上一点, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,则AC长为(


A12cm B <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm C <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm D2cm

4)下列4组图形中一定相似的是(

A.各有一个角是40°的两个等腰三角形

B.两条边之比都是23的两个三角形

C.两条边之比都是23的两个直角三角形

D.各有一个角是100°的两个等腰三角形

5)下列各组图形中有可能不相似的是(

A.各有一个角是45°的两个等腰三角形

B.各有一个角是60°的两个等腰三角形

C.各有一个角是105°的两个等腰三角形

D.两个等腰直角三角形

6)有一个锐角相等的两个直角三角形的关系是(

A.全等 B.相似 C.既不全等与也不相似 D.无法确定

7 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 符合下列条件,其中使 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 不相似的是(

A <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

B <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

C <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

D <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

二、填空题

1)如图4BDCE <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 的高,图中相似三角形有__________对.

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>  <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

4 5


2)如图5D <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 的边AB上一点,若 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,若 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>


3)在 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 是高,若 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>  <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,且 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

4)如图6,在四边形ABCD中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm,则CD的长为__________cm

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>  <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

6 7


5)如图7,在 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 中,ACBCDC的比例中项,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>____


6)如图8 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>  <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

8 9


7)如图9,在 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 是否相似_________,相似比是__________


三、解答题

1.如图,在梯形ABCD中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,求AB的长.

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

2.已知:如图,在等腰梯形ABCD中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,过D点作AC的平行线交BA的延长线于E.试判断 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

3.如图,已知: <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,求BC的长.

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>






4.如图,已知:BCBDAB的比例中项.求证: <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>








5.如图,BCDF交于点 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,求证: <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>









6.如图, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 是角平分线,求证: <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>








7.如图,四边形 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 都是正方形.求证:(1 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ;(2 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>


参考答案

一、

1B 2C 3B 4D 5A 6B 7D

二、

12对( <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 2 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 35 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 4 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 5 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 61.5cm7)相似,35

三、

1 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

2.由 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,则 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,又 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> .在等腰梯形ABCD中, <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,即 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

3 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> cm

4 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

5 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,又 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> 是公共角,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

6 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,又BD是角平分线,

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

7 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> ,∴ <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a> <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>

 <a href="/tags/115/" title="条件" class="c1" target="_blank">条件</a> <a href="/tags/138/" title="形相" class="c1" target="_blank">形相</a> <a href="/tags/387/" title="三角形" class="c1" target="_blank">三角形</a> <a href="/tags/941/" title="似的" class="c1" target="_blank">似的</a> <a href="/tags/920/" title="三角" class="c1" target="_blank">三角</a>