如图,在直径为2的
中,延长直径
至点C,使
是
的切线,D为切点,则
的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/9/e6bdfff7-f9dd-49bc-b014-7d14f6ebea21.png?resizew=199)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/9/e6bdfff7-f9dd-49bc-b014-7d14f6ebea21.png?resizew=199)
A.![]() | B.![]() | C.2 | D.![]() |
2023·黑龙江哈尔滨·二模 查看更多[1]
更新时间:2023-05-02 16:02:44
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