如图,
是半圆的直径,D是弧
的中点,
,则
的度数是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/0dde4da0-52dc-4b72-af81-b7ad9ed9dfbc.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec69d43f611d65d9b0dc642a83f12ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/4/0dde4da0-52dc-4b72-af81-b7ad9ed9dfbc.png?resizew=148)
A.55° | B.60° | C.65° | D.70° |
22-23九年级上·山东烟台·期末 查看更多[2]
更新时间:2023-01-03 22:44:18
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】已知直线
,将一块直角三角板ABC按如图方式放置,
,其中边BC与直线b交于点D,若
,则∠2的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc8444d63d1ca92651c62fe9b220859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0b65ca62ce90b4879f58884e826c669.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/e6934afe-b30b-4dd7-a11d-27ecb943a2d7.png?resizew=225)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】在一个直角三角形中,有一个锐角等于
,则另一个锐角的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0afbebcbef8b38d2565db5e1fa6115.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
真题
【推荐1】如图,在⊙O中,OA⊥BC,∠AOB=50°,则∠ADC的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/faf28021-8282-41f3-b646-5f1dca2c1b80.png?resizew=127)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/6/faf28021-8282-41f3-b646-5f1dca2c1b80.png?resizew=127)
A.20° | B.25° | C.50° | D.100° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,
是
的直径,弦
交
于点E,连接
.若
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/fa2bdd97-2ccb-4c1a-a354-289ff6fe2a1a.jpg?resizew=137)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45fafd7af859c9b8b774cf180d5d814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b734e8926f975820c97f1b3a86963f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/fa2bdd97-2ccb-4c1a-a354-289ff6fe2a1a.jpg?resizew=137)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次