如图,
的直径
垂直于弦
,垂足是点
,
,
,则弦
的长为( )
![](https://img.xkw.com/dksih/QBM/2020/5/29/2473128340815872/2473403095416832/STEM/1d07c520e4004ffe99150ffcd014b470.png?resizew=126)
![](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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a9c1923e14b1566b4455e4dda11783.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26ea9e9e42ced4f9b7540b368fbd171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2020/5/29/2473128340815872/2473403095416832/STEM/1d07c520e4004ffe99150ffcd014b470.png?resizew=126)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-06-12 13:47:26
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在
中,弦
的长为
,圆心
到
的距离为
,则
的直径为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/0219abd4-e040-46d8-9708-d8318f884714.png?resizew=101)
![](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/80b1fe1b971b780e443a9b13621611c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976260cbf5e30856d4fd37a4b0a671a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/0219abd4-e040-46d8-9708-d8318f884714.png?resizew=101)
A.![]() | B.![]() | C.![]() | D.![]() |
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真题
【推荐2】如图,AB是⊙O的直径,CD为⊙O的弦,AB⊥CD于点E,若CD=6
,AE=9,则阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/0e35d749-8888-4f14-9d29-e2e594621644.png?resizew=186)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/0e35d749-8888-4f14-9d29-e2e594621644.png?resizew=186)
A.6π﹣![]() | B.12π﹣9![]() | C.3π﹣![]() | D.9![]() |
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【推荐1】如图,
是
半径
的垂直平分线,点
是劣弧
上的点,则
的度数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/2022/2/20/2920418720243712/2971309964853248/STEM/9313d621d95447de96bbd187dbae6c0e.png?resizew=132)
![](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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/2022/2/20/2920418720243712/2971309964853248/STEM/9313d621d95447de96bbd187dbae6c0e.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,平行线
,
分别经过
直径
的两个端点,
为
上一点,过点
作
交
于点
,若
,
之间的距离为
,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b281148abd362c9c0de3fa7e64d620e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c748e40ba21ac5063d3bccaa57ef278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a174846c7a15cc8b59094030a34effcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b8a4b0e72a4de1da975168b243a325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,直径
与弦
交于点E,点F是
的中点,延长
交
于点G,若
,且
,则
的长度是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff6005f926665a926c07ad62e0f032.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
A.4 | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,推动个小球沿倾斜角为
的斜坡向上行驶,若
,小球移动的水平距离
米,那么小球上升的高度
是( )
![](https://img.xkw.com/dksih/QBM/2021/1/26/2644677187575808/2646063677153280/STEM/19393662-58d8-49e6-9c8a-8212e6b591db.png?resizew=200)
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A.5米 | B.6米 | C.6.5米 | D.7米 |
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