如图,
为
的直径,弦
交
于点E,点C恰好落在
的中点,若
,则弦
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/42db6d82-217f-4847-9210-9385c651129a.png?resizew=124)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3672f17be1276e58ef19d9b368c96a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c042ff18466e8165fadf343d142a4b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0437830eebf8bed55e45aeee059aec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/42db6d82-217f-4847-9210-9385c651129a.png?resizew=124)
A.15 | B.![]() | C.![]() | D.![]() |
更新时间:2024-03-11 13:41:05
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【推荐1】如图,以
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,
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分别交于点F,G,若
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/72cb0502-d447-4eef-a4bf-0ac41e93a50e.png?resizew=106)
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A.12 | B.24 | C.25 | D.26 |
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【推荐2】如图,在
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名校
【推荐1】如图,
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【推荐2】如图,已知AB是⊙O的弦,⊙O的半径OC⊥AB于点 D,交⊙O于点C,且CD = 2,AB=8则⊙O的半径长为( )
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