如图,AB是⊙O的直径,点C、D在⊙O上,且点C、D在AB的异侧,连接AD、BD、OD、OC,若∠ABD=10°,且AD∥OC,则∠BOC的度数为( )
![](https://img.xkw.com/dksih/QBM/2019/12/26/2363227118231552/2364013367459840/STEM/af1a0b808650425aa82919bdd0e86896.png?resizew=162)
![](https://img.xkw.com/dksih/QBM/2019/12/26/2363227118231552/2364013367459840/STEM/af1a0b808650425aa82919bdd0e86896.png?resizew=162)
A.110° | B.100° | C.105° | D.120° |
更新时间:2019-12-27 17:45:04
|
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,已知直线
,
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4352562ae8aa968014fd0d931b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5142a988072fb942a540cf847d142e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4994b4a70c935e8c98aa5b5aef4060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/8/3c2e1897-5426-4230-bf10-e53738f68207.png?resizew=153)
A.42° | B.44° | C.46° | D.48° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,在五边形ABCDE中,BA=BC=BD=BE,且AE∥BC,若∠A=60°,则∠CDE的度数是( )
![](https://img.xkw.com/dksih/QBM/2017/11/8/1812906227638272/1813036742139904/STEM/c925f0614d4a48d29a5b737d0419d376.png?resizew=121)
![](https://img.xkw.com/dksih/QBM/2017/11/8/1812906227638272/1813036742139904/STEM/c925f0614d4a48d29a5b737d0419d376.png?resizew=121)
A.60° | B.130° | C.150° | D.160° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】一张直径为
的半圆形卡纸,过直径的两端点剪掉一个等腰三角形,在右面两种裁剪方案(如图1和图2,单位:
)中,说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72026e70f45cea6a7c49881592e73a02.png)
![]() | ![]() |
A.只有方案Ⅰ的数据合理 | B.只有方案Ⅱ的数据合理 |
C.方案Ⅰ、Ⅱ的数据都合理 | D.方案Ⅰ、Ⅱ的数据都不合理 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,
内接于
,直径
,
,则AC的长度为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/f15b1624-daa4-42f7-bf27-b379a3771140.png?resizew=144)
![](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/b6996aa31bf1486ced60c2249a6e6989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32436704a722d5e568ff5c175bf3c662.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/f15b1624-daa4-42f7-bf27-b379a3771140.png?resizew=144)
A.5cm | B.![]() | C.![]() | D.6cm |
您最近一年使用:0次