已知,如图
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a6b87f8387b7008c3d47abc0f52f0b.png)
_______ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c04b7fc8c466519de372d00ace6303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4a6b87f8387b7008c3d47abc0f52f0b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/29/16cb4c76-c23e-4dfe-997d-ebbd26ddb733.png?resizew=168)
更新时间:2022-12-27 14:31:46
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【知识点】 几何图形中角度计算问题解读