如图,
内接于
,
为
的直径,直线
与
相切于点C,过点O作
,交
于点E.若
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39f7ee851ee4409da58a7dfe852fae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fc30901a255fc967e88734abfee8147.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2024·山西大同·二模 查看更多[4]
更新时间:2024-04-23 09:07:09
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相似题推荐
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【推荐1】如图,
.图中与
(本身不算)相等的角有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c805931c1ce06a92acfcc5d6953bf36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/55adb35b-b0a9-4024-880b-693087dbc361.png?resizew=126)
A.5个 | B.4个 | C.3个 | D.2个 |
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【推荐2】如图,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
,在
中,点
在直线
上,若
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2023/4/5/3209836243779584/3210532611629056/STEM/ec633d05baa34e4cb06d53898f253501.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce7f6d278f2ef7a193b7eed7be6b3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c196b56a79271ee450be11b1ac58a05c.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】由于木质衣架没有柔性,在挂置衣服的时候不太方便操作.小颖同学设计一种衣架,在使用时能轻易收拢,然后套进衣服后松开即可.如图①,衣架杆
(O为衣架的固定点):如图②,若衣架收拢时,
,则此时A,B两点之间的距离是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/13/4f8ee4cb-317f-4f68-baf1-d08ee0799a4e.png?resizew=210)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd974b12c367cb508b475494c876a546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1eb76fe74cba30f7cbcde349ba80da.png)
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图① 图②
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【推荐2】如图,将正六边形
放在平面直角坐标系中,中心与坐标原点重合,若
,则点
的坐标是( )
![](https://img.xkw.com/dksih/QBM/2022/1/6/2894305347936256/2953128757248000/STEM/cfee0588-d3c7-4a3b-8242-93ef1a78627b.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
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【推荐1】如图,OA是半⊙O的半径,弦BC⊥OA于点E,连接OC,若⊙O的半径为m,∠AOC=∠α,则下列结论一定成立的是( )
![](https://img.xkw.com/dksih/QBM/2022/2/2/2907649228587008/3025294836785152/STEM/e098df9bbd71479e8992ba0a03fc3ed6.png?resizew=131)
![](https://img.xkw.com/dksih/QBM/2022/2/2/2907649228587008/3025294836785152/STEM/e098df9bbd71479e8992ba0a03fc3ed6.png?resizew=131)
A.OE=m•tanα | B.BC=2m•sinα |
C.AE=m•cosα | D.S△COB=![]() |
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【推荐2】如图,
为
的直径,C为
上一点,D为弧
的中点,若
,那么
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/23/09a74516-b152-4698-9cb7-73e8be998c87.png?resizew=126)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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【推荐1】如图,
交
于点
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切
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【推荐2】如图,
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