如图,点A、B、C在⊙O上,
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/2021/9/13/2807375054217216/2810203632025600/STEM/7031a3bc-6167-4df8-a29c-2405210e1e06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6796bea1f5b8dd5c9159ee7f6725835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://img.xkw.com/dksih/QBM/2021/9/13/2807375054217216/2810203632025600/STEM/7031a3bc-6167-4df8-a29c-2405210e1e06.png)
A.40° | B.84° | C.42° | D.30° |
更新时间:2021-09-22 10:28:13
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图所示,AB是⊙O的直径,
,∠COD=34°,则∠A的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/4c40f556-bbb5-40eb-a468-06667eb190c6.png?resizew=181)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5954b3357d8a0d8d25c514ed34203050.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/4c40f556-bbb5-40eb-a468-06667eb190c6.png?resizew=181)
A.51° | B.56° | C.68° | D.78° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,直角三角板
角的顶点A落在直径为6的
上,两边与
分别交于B、C两点,则劣弧
的弧长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
A. ![]() | B. ![]() | C.![]() | D. ![]() |
您最近一年使用:0次