如图,
内接于⊙O,
,连接
并延长交
于点D,若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d777d15cd733338ecfd0ea63819f62c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/30/86ace8a6-22ed-4aed-b7d8-4cfffa160286.png?resizew=166)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-03-26 15:13:02
|
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适中
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名校
【推荐1】2024年5月24日-26日,中国图象图形大会(CCIG 2024)在陕西省西安市曲江国际会议中心召开了主题为“图聚智生,象合慧成”的文化图像大数据可视化论坛,在“自动化立体库”中有许多几何元素,其中有一个等腰三角形模型(示意图如图所示),它的顶角为
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A.![]() | B.6m | C.![]() | D.4m |
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【推荐2】如图,
中,
,
,
,则
的半径等于( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/a9ba8943-582f-4580-826e-61206a185d34.png?resizew=77)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
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【推荐1】若等腰△ABC内接于⊙O,AB=AC,∠BOC=100°,则△ABC底角的度数为( )
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【推荐2】如图所示,
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的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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