如图,
是
的直径,
与
相切于点A,点
是
上的一点,连接
并延长交
于点
,若
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/9e1a40fe-609c-4255-8fa9-a5b7a4326988.png?resizew=184)
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c3bd2ba80606021f11923df8fe2766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868ff1350bd72625328c85c3097cd85e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/9e1a40fe-609c-4255-8fa9-a5b7a4326988.png?resizew=184)
A.35° | B.45° | C.55° | D.65° |
更新时间:2021-10-17 20:24:31
|
【知识点】 几何证明选讲
相似题推荐
单选题
|
容易
(0.94)
【推荐1】如图,PA是⊙O的切线,A为切点,PC是⊙O的割线,且
,则
等于( )
![](https://img.xkw.com/dksih/QBM/2017/8/14/1758848847544320/1815766069682176/STEM/9b64352decc04b13941c2a9d55205a4a.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d209e69bccbe14809e5a41ded0f7466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccc2f02416db8211128e18af2d13ecf.png)
![](https://img.xkw.com/dksih/QBM/2017/8/14/1758848847544320/1815766069682176/STEM/9b64352decc04b13941c2a9d55205a4a.png?resizew=189)
A.2 | B. ![]() | C. ![]() | D.1 |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐2】下列判断正确的是( )
A.两个直角三角形相似 | B.两个相似三角形一定全等 |
C.凡等边三角形都相似 | D.所有等腰三角形都相似 |
您最近一年使用:0次