如图,
是
的外接圆,
是
的直径,若
的半径为2,
,则
的值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/c7f5678c-d52e-460f-8d71-a6733a902d56.png?resizew=149)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/c7f5678c-d52e-460f-8d71-a6733a902d56.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-01-18 10:30:54
|
相似题推荐
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(0.85)
名校
【推荐1】
为
的直径,延长
到点P,过点P作
的切线,切点为C,连接
,
,D为圆上一点,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/11/26/3117803376500736/3119356675080192/STEM/52a230879b5948bbb8dfbcb1074151bd.png?resizew=171)
![](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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4748019ffe61853bf5d1114af61c66ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/2022/11/26/3117803376500736/3119356675080192/STEM/52a230879b5948bbb8dfbcb1074151bd.png?resizew=171)
A.20° | B.25° | C.30° | D.40° |
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单选题
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【推荐2】如图,
为
的直径,点
、
在
上,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/8f5984e0-e989-4fa9-8055-dc723cf568a5.png?resizew=174)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2fbaeab3a5eb2e89a9cf94c7b886b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/8f5984e0-e989-4fa9-8055-dc723cf568a5.png?resizew=174)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】如图,在△ABC中,∠C=90°,如果AC=8,AB=10,那么∠A的正弦值为( )
![](https://img.xkw.com/dksih/QBM/2021/8/21/2790701900234752/2791444304912384/STEM/67dc787ee62b4efebc4bd7cf97efa286.png?resizew=153)
![](https://img.xkw.com/dksih/QBM/2021/8/21/2790701900234752/2791444304912384/STEM/67dc787ee62b4efebc4bd7cf97efa286.png?resizew=153)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】已知一个三角形的三个内角的度数之比为
,则最小角的正弦值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d548966f7b124763228a1fd831e6dd61.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次