图,
为
的直径,弦
,垂足为点
,连接
,若
的半径为
,
,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/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b2aabb3232e9ffabad9def25515cbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·安徽合肥·一模 查看更多[2]
更新时间:2024-03-21 22:43:53
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【推荐1】已知圆内接正三角形的边心距为1,则这个三角形的面积为( )
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【推荐2】若
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【推荐1】如图,在⊙O中,弦AB=8cm,OC⊥AB,垂足为C,OC=3cm,则⊙O的半径为( )
![](https://img.xkw.com/dksih/QBM/2018/12/4/2089638076514304/2090266647740416/STEM/8927ccdd2b2a4ff1b82b952c0864c76e.png?resizew=107)
![](https://img.xkw.com/dksih/QBM/2018/12/4/2089638076514304/2090266647740416/STEM/8927ccdd2b2a4ff1b82b952c0864c76e.png?resizew=107)
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【推荐2】已知⊙O的半径为15,弦AB的长为18,点P在弦AB上且OP=13,则AP的长为( )
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【推荐1】如图,已知
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上一点,当点
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【推荐2】如图,点A、B、C、D在⊙O上,OA⊥BC于点E,若BC=
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