如图,
是
的直径,点D在
的延长线上,
切
于点C,若
,
,则
等于( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691048ce61c91a8a3680fa3025193160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e30b8ccb309425805df56f18af52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.6 | B.4 | C.![]() | D.3 |
更新时间:2024-03-13 21:04:49
|
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【推荐1】如图,在矩形
中,
、
相交于点O.若
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,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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A.4 | B.![]() | C.2 | D.![]() |
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名校
【推荐2】如图,在
中,
是直径,弦
的长为5,点D在圆上,且
, 则
的半径为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/85b546e9-f600-48b5-9f21-4a24de52cff1.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/85b546e9-f600-48b5-9f21-4a24de52cff1.png?resizew=168)
A.![]() | B.5 | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】将一副三角尺按如图所示叠放在一起,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a6ef747af4e9e9573d09f48a765398b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/4/1c084620-0d92-4447-89d4-185de292b74f.png?resizew=160)
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【推荐2】若P为半径长是6cm的⊙O内一点,OP=2cm,则过P点的最短的弦长为( ).
A.12cm | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,AB是
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/14/b70aa98d-845b-4712-b988-877bbcfce73c.png?resizew=156)
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A.32° | B.42° | C.46° | D.52° |
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【推荐2】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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