如图,在平面内,
,点A、B分别在直线
、
上,
,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff004cdc3fa74c200b4b241cf7f0a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b65ca62ce90b4879f58884e826c669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-03-12 19:09:45
|
【知识点】 根据平行线判定与性质求角度解读
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单选题
|
较易
(0.85)
【推荐1】已知直线
,将一块含30°角的直角三角板(
)按如图所示方式放置,并且顶点A、C分别落在直线a、b上,若
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec49cefafef74c0062c75d3258f49004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b69d40b75d582c4b8ffa2369af1d41.png)
A.17° | B.19° | C.23° | D.26° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,把一副
的直角三角板的直角顶点重合在一起,当
绕点B逆时针旋转到
时,
交
于点F,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/da70fa2d-1d54-45b6-9966-c70150cdba7a.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f05f4e9d443ca6260c7491245a56117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70734a8e672376bb0bd1522e229f86a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7724af2445c723d1392aed54d210ed3a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/22/da70fa2d-1d54-45b6-9966-c70150cdba7a.png?resizew=138)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次