把一块直尺与一块三角板如图放置,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/e9c2ef6c-40a0-4d6b-9a24-dfa82745a507.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c0726579eadb28c3c7eb9576dcd6af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/e9c2ef6c-40a0-4d6b-9a24-dfa82745a507.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-20 15:27:45
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【推荐1】如图,将直角三角板
绕顶点A顺时针旋转到
,点
恰好落在
的延长线上,若
,
,则旋转角是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/11d59483-f8c5-487c-b410-91a61d454ef5.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c021993da445858448d368df42554c8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/11d59483-f8c5-487c-b410-91a61d454ef5.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,把一块含有
角的直角三角板的两个顶点放在直尺的对边上.如果
,那么
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fad339412670cffa37e8a8bacd7fa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,有一块含有45°角的直角三角板的两个顶点放在直尺的对边上.如果∠1=22°,那么∠2的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f29aa813-8c02-4b2c-8006-d9b9620658e1.png?resizew=239)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/f29aa813-8c02-4b2c-8006-d9b9620658e1.png?resizew=239)
A.30° | B.23° | C.20° | D.15° |
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【推荐2】如图所示,将含有
角的三角板的直角顶点放在相互平行的两条直线其中一条上,若
,则
的度数为()
![](https://img.xkw.com/dksih/QBM/2020/5/12/2461196631588864/2461908941520896/STEM/bfe9ab3c-b28b-41e5-8de5-3db080f3ceac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996bf3d35b6763cbc1a423b13a9df2dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed63b93ea90dcf7d99ed2c933beaa83f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/2020/5/12/2461196631588864/2461908941520896/STEM/bfe9ab3c-b28b-41e5-8de5-3db080f3ceac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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