如图,已知点O是直线
上一点,
,
,则
等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/3d74f791-9c65-4aa6-9ed6-b4d3319b4eb8.jpg?resizew=135)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f65eb89c3d782b551a597b88ef291da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86289a34c5f139570db24497cbdadb28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd616fdad5d56e9f4d9a12fbba8652dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/3d74f791-9c65-4aa6-9ed6-b4d3319b4eb8.jpg?resizew=135)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-01-28 11:18:35
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【知识点】 几何图形中角度计算问题解读
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较易
(0.85)
【推荐1】如图,两条直线AB,CD交于点O,射线OM是∠AOC的平分线,若∠BOD=80°,则∠COM的大小为( )
![](https://img.xkw.com/dksih/QBM/2020/9/13/2548652852649984/2555091916275712/STEM/33ac89b284f64726bcce8ce0cf19a386.png?resizew=141)
![](https://img.xkw.com/dksih/QBM/2020/9/13/2548652852649984/2555091916275712/STEM/33ac89b284f64726bcce8ce0cf19a386.png?resizew=141)
A.70° | B.60° | C.50° | D.40° |
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