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【347961】第四章 几何图形初步周周测4(全章)

时间:2025-03-05 21:07:50 作者: 字数:5012字
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第四章 几何图形初步周周测4

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> .选择题 (10小题 每题3分 共30)

1.如图所示的棱柱有( )

A.4个面 B.6个面 C.12条棱 D.15条棱

2 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> .在如下立体图形中,从正面看可以看到△的是( )

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>



 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>

3.如图,图中有( )

A.3条直线 B.3条射线

C.3条线段 D.以上都不对

4.下列语句正确的是( )

A.如果PA=PB,那么P是线段AB的中点; B.作∠AOB的平分线CD

C.连接AB两点得直线AB; D.反向延长射线OP(O为端点)

5. 平面上有五个点,其中只有三点共线。经过这些点可以作直线的条数是(

A6 B.8 C.10 D.12

6 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> .下列图形中,图中共有8个角的是 ( )

DrawObject1  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>


A B. C. D.

7DrawObject2 .把一张报纸的一角斜折过去,使A点落在E点处,BC为折痕,

BD是∠EBM的平分线,则∠CBD= (

A.85° B.80°

C.75° D.90°

8 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> .如图,AB=16 cmCAB上一点,且AC=10 cmDAC的中点,EBC的中点,则线段DE的长度为 ( )

A6 cm B.8 cm

C.10 cm D.12cm

9.如图,能用∠1,∠ACB,∠C三种方法表示同一个角的是 ( )

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>

10. 下图中是正方体的展开图的共有 (

A1 B.2 C.3 D.4

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>



二.填空题:(共6个小题 每题4分 共24分)

1 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 1.正方体有______条棱,_____个顶点, 个面.

12.圆柱的侧面展开图是一个 ,圆锥的侧面展开图是一个 ,棱柱的侧面展开图是一个

13.如图,该图中不同的线段共有_______.

1 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 4.讲台上放着一个圆锥和一个正方体(如图)请说明下面的三幅图分别是从哪个方向看到的。

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>  <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>

1)从 面看到的平面图形;

2)从 面看到的平面图形;

3)从 面看到的平面图形。



15.已知,如图,∠1=∠2,∠3=∠4,∠AOF <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> .

1)射线OD是∠AOC__________; (2)∠AOC的补角是____________

3_______________是∠AOC的余角; (4)∠DOC的余角是____________

DrawObject3 5)∠COF的补角____________.




16.直线ABCD相交于E点,∠1=∠2EF平分∠AED,且∠150°,则∠AEC ,∠CEF .

三.解答题:(共3个小题 每题6分 共18分)

1 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 7.如图,已知AOB是一条直线,∠1=∠2,∠3=∠4OF⊥AB。则

1)∠AOC的补角是

2 是∠AOC的余角;

3)∠DOC的余角是

4)∠COF的补角是


18.如图,有一个几何体,请画出从不同方向看它的平面图形

( <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 1)从正面看:



(2)从左面看



(3)从上面看




19. 读下列语句,并按照这些语句画出图形;

(1) 在直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 上取三点ABC,在直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 外取一点P,画线段AP;画直线PC;画射线BP;

2)射线OP的端点是直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 与直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 的交点,且点P不在直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 上;

3)直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 相交于点C,直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 相交于点A,直线 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 相交于点B <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>

4)在三角形ABC中,DE分别为边ACBC上的点,延长线段AB,反向延长线段ED相交于F








四.解答题 (共3个小题 每题7分 共21分)

20.如图,直线ABCD相交于点OOE⊥CDOF⊥AB,∠DOF=65°

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> :(1)∠BOE的度数;

2)∠AOC的度数。









2 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 1.如图,在下面的横线上填上适当的角;

1)∠AOC=∠ +∠

2)∠AOB=∠ -∠

或∠AOB=∠ -∠

3)若∠AOC=∠BOD,则∠AOB ∠COD(填“﹥”、“=”或“﹤”);

4)若∠AOB=∠COD,则∠AOC ∠BOD(填“﹥”、“=”或“﹤”)。


22. 已知线段AB=10cm,直线AB上有一点C ,BC=4cm,M是线段AC的中点,AM 的长.








五.解答题 (共3个小题 每题9分 共27分 )

2 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a> 3.如图,直线ABCD交于O,且∠BOC=80°,OE平分∠BOC,OFOE 的反向延长线.

(1)求∠2和∠3的度数.

(2)OF平分∠AOD?为什么?










24.一个角的补角与它的余角的度数之比是3:1,求这个角的度数.








25.测量员沿着一块地的周围测绘.A向东走600米到B,再从B向东南(∠ABC= 135°)500米到C,再从C向西南(∠BCD=90°)800米到D.1厘米代表100米画图, DA的长(精确到10)DA的方向(精确到1°).

 <a href="/tags/29/" title="初步" class="c1" target="_blank">初步</a> <a href="/tags/42/" title="图形" class="c1" target="_blank">图形</a> <a href="/tags/111/" title="几何图形" class="c1" target="_blank">几何图形</a> <a href="/tags/272/" title="几何" class="c1" target="_blank">几何</a>






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