如图,DE∥AB,若∠A = 40°,则∠ACD的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/16/fc2215b2-a921-4b98-afc2-9230e8889e9f.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/16/fc2215b2-a921-4b98-afc2-9230e8889e9f.png?resizew=155)
A.150° | B.140° | C.50° | D.40° |
更新时间:2022-07-05 15:26:54
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【知识点】 两直线平行内错角相等解读
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【推荐1】如图,把一块三角板
的直角顶点B放在直线
上,
,AC
EF,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68e744f480e11f588570c5d6738799f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494ba20b1444f524cf636961e4688ae8.png)
A.30° | B.45° |
C.60° | D.75° |
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【推荐2】如图,直线l1、l2、l3交于一点,直线l4∥l1,若∠1=54°,∠3=88°,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/1/10/2897741352345600/2944772677173248/STEM/40974250-18f2-4ef9-8f09-9479b53798ab.png?resizew=198)
![](https://img.xkw.com/dksih/QBM/2022/1/10/2897741352345600/2944772677173248/STEM/40974250-18f2-4ef9-8f09-9479b53798ab.png?resizew=198)
A.38° | B.36° | C.142° | D.144° |
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