如图,
是
的直径,
是弦,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/a4da86a8-9fe9-4177-a71c-795d52c83cfc.png?resizew=159)
![](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/a858e3fda1505e5aede22f4d6edd3f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/4/a4da86a8-9fe9-4177-a71c-795d52c83cfc.png?resizew=159)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-11-27 22:55:36
|
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单选题
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【推荐1】如图,
是
的直径,
是
延长线上一点,
切
于点
,
是
一点,连接
,
,若
,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/c538ff06-e44d-493a-bdf8-54f0732e4410.png?resizew=259)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ccea461315a9d05aa0193b937d4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6c6e7c025362c46a64a8956761f08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0213c5787a5a6b38d11bceca5567f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b3967aa677f18e92912d2397f4907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/16/c538ff06-e44d-493a-bdf8-54f0732e4410.png?resizew=259)
A.![]() | B.4 | C.![]() | D.3 |
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【推荐2】如图,
为⊙O的直径,点C、D是
的三等分点,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b19c646bcb6160197fdf12a9cb31a0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83940bc74f07a71ce38af3d3c0f79df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9f91270ddbe1cf3c1362e1b95aee14.png)
A.40° | B.60° | C.80° | D.120° |
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【推荐2】如图,AB是⊙O的直径,C,D两点在⊙O上,若∠C=40°,则∠ABD的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/d090212d-55d1-4b86-b5a5-a4128e2a3019.png?resizew=232)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/d090212d-55d1-4b86-b5a5-a4128e2a3019.png?resizew=232)
A.40° | B.50° | C.80° | D.90° |
您最近一年使用:0次