如图,
是
的直径,点D在
的延长线上,
切
于C,若
,则
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9667032ec704927b9a3dcd2d73e6ad.png)
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![](https://img.xkw.com/dksih/QBM/2023/5/23/3244055282712576/3244756557160448/STEM/3d4c76afa79e4cb4a716e5f9da632f20.png?resizew=171)
更新时间:2023-05-24 18:17:01
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