如图,将三角板的直角顶点放在两条平行线中的直线AB上若
,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/260ad666-c12f-4bfa-a4df-eb6370b8d1d7.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16929815f554fab5f6ba6605586b0424.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/260ad666-c12f-4bfa-a4df-eb6370b8d1d7.png?resizew=200)
A.77° | B.67° | C.23° | D.60° |
更新时间:2022-08-01 11:07:07
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【推荐1】将一副三角板(厚度不计)如图摆放,使含
角的三角板的斜边与含
角的三角板的一条直角边平行,则
的角度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,有一块含有
角的直角三角板的两个顶点放在直尺的对边上,则
( )
![](https://img.xkw.com/dksih/QBM/2022/4/16/2959480069857280/3038512689971200/STEM/27a5b97e9c91461c8378917fc53e1f83.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b9b59c6125e43fa4a8b186093f47fd.png)
![](https://img.xkw.com/dksih/QBM/2022/4/16/2959480069857280/3038512689971200/STEM/27a5b97e9c91461c8378917fc53e1f83.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,直线a∥b,直线c与直线a、b分别交于点A、B.若∠1=143°,则∠2的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/9b7db523-df02-416e-97f2-005067882162.png?resizew=167)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/6/9b7db523-df02-416e-97f2-005067882162.png?resizew=167)
A.27° | B.37° | C.43° | D.33° |
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【推荐2】在“(1)同位角相等(2)两直线平行(3)是判定(4)是性质”中,语序排列有(a).(1)(2)(4);(b).(1)(2)(3);(c).(2)(1)(3);(d).(2)(1)(4),其中语序排列正确的个数有( )
A.0个 | B.1个 | C.2个 | D.3个 |
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