如图,水面
与水杯下沿
平行,光线
从水中射向空气时发生折射,光线变成
,点
在射线
上,已知
,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810661930cb17217698d8ae646831eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934a9ada23ce911fa8c6d1689f135415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7023dd9731a2ff5abb503d7a65b5646.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-02-15 21:18:52
|
【知识点】 根据平行线的性质求角的度数解读
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