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【347472】9.4 平行线的判定

时间:2025-03-05 20:23:25 作者: 字数:2270字
简介:

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

9.4 平行线的判定

一、选择题

1.已知如图ABBEAC所截,下列说法不正确的是(

A <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 是同旁内角 B <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 是内错角

C <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 是同位角 D  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 不是同位角

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

1 2 3 4 5 6

2.已知如图:直线ABCD被直线EF所截,则(

A.同位角相等 B.内错角相等

C.同旁内角互补 D.两对同旁内角的和是360°

3.已知如图直线 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 被直线c所截,下列条件能判断 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 的是(

A <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> B <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> C <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> D <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

4.如图,直线 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 都与c相交,由下列条件能推出 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 的是(

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

A.① B.①② C.①②③ D.①②③④

5.如图,下列条件中能判定 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 的是(

A <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> B <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> C <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> D <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

6.如图,下列推理中正确的是(

A <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

B <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

C <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

D <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

二、填空题

1.如图, <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ;理由是____________

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

1 2 3 4 5

2.如图, <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,理由是____ __;若 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,要使 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

3.如图, <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>______互补,可以判定 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>______互补,可以判定 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

4.在横线上填空,并在括号内填写理由.

1 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

2 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

5.点DEF分别在ABACBC

1 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

2 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

3 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

4 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>  <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

三、解答题

1.如图,直线DEFM,分别交 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 的两边于NGPQ,若 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 吗?如果平行请说明理由.

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

2.如图,已知: <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,则BCEF平行吗?为什么?

 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

参考答案

一、选择题

1C 2D 3C 4D 5D 6D

二、填空题

1 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,同位角相等,两直线平行;

2180°,同旁内角互补两直线平行;50°

3 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

4.(1 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 同位角相等,两直线平行

2 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 内错角相等,两直线平行

5.(1 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 2 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 3 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> 4 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

三、解答题

1.平行,因为 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,所以 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a> ,所以根据“同位角相等,两直线平行可得 <a href="/tags/58/" title="平行" class="c1" target="_blank">平行</a> <a href="/tags/74/" title="平行线" class="c1" target="_blank">平行线</a> <a href="/tags/868/" title="判定" class="c1" target="_blank">判定</a>

2.平行




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