如图,
是
的外接圆,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/eac433aa-cf99-4de4-8c81-67ccacfccca9.png?resizew=132)
![](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/82c372d3e606d51a1fd4e3c867397388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/13/eac433aa-cf99-4de4-8c81-67ccacfccca9.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-01-12 13:58:48
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【推荐1】如图,点E是
、
的斜边
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的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/26/3ac2a0b0-0686-43ab-95fb-84ac568e2ada.png?resizew=125)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,四边形ABCD是⊙O的内接四边形,AB=AD,若∠C=70º,则∠ABD的度数是( )
![](https://img.xkw.com/dksih/QBM/2020/2/24/2405502371700736/2406454179520512/STEM/256a705c01bc4e4ab3188716d782580a.png?resizew=118)
![](https://img.xkw.com/dksih/QBM/2020/2/24/2405502371700736/2406454179520512/STEM/256a705c01bc4e4ab3188716d782580a.png?resizew=118)
A.35º | B.55º | C.70º | D.110º |
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【推荐1】如图,
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,
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/d36c1b32-a51b-4fb6-96a8-eab47a0dd710.png?resizew=200)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31ccc24ef6725093d4717718287ca1a.png)
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【推荐1】如图,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐2】如图,已知⊙O的半径为2,锐角△ABC内接于⊙O,BD⊥AC于点D,OM⊥AB于点M,则sin∠CBD的值等于( )
![](https://img.xkw.com/dksih/QBM/2018/12/9/2093264594173952/2095296857268224/STEM/7d37933759d84501baa338fbda732048.png?resizew=105)
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