如图,点A,B,C是
上的三点,已知
,那么
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ff5c21185c13eae675906dabd3593c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/e0c2473d-bff6-496e-9dc2-10df07c83ab9.png?resizew=107)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-12-06 02:26:42
|
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单选题
|
容易
(0.94)
【推荐1】下列命题中,真命题的个数是( )
①圆的每一条直径都是它的对称轴;②平分弦的直径必定垂直于这条弦;③在同圆或等圆中,相等的圆心角所对的弧相等;④在同圆中,相等的弦所对的弧相等.
①圆的每一条直径都是它的对称轴;②平分弦的直径必定垂直于这条弦;③在同圆或等圆中,相等的圆心角所对的弧相等;④在同圆中,相等的弦所对的弧相等.
A.4个 | B.3个 | C.2个 | D.1个 |
您最近一年使用:0次
单选题
|
容易
(0.94)
名校
【推荐2】如图,点
,
,
在
上,若
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/a821907f-d729-4c4c-81e4-0a743b27da03.png?resizew=118)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780e5dd39af0177f203ff0715bc568b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/a821907f-d729-4c4c-81e4-0a743b27da03.png?resizew=118)
A.18° | B.36° | C.54° | D.72° |
您最近一年使用:0次