一个等腰三角形一个内角是另一个内角的一半,则这个三角形底角为( )
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
20-21八年级上·浙江·期末 查看更多[3]
更新时间:2021-04-16 14:56:35
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【知识点】 根据等边对等角求角度解读
相似题推荐
单选题
|
较易
(0.85)
【推荐1】如图,
,
,垂足为点F,点E在
上,且
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016678046613504/3017682854371328/STEM/e47e640018424ef79b76a307c7026a62.png?resizew=239)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdf23e73ae2a15c04bbed3981cb8e511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaffcd2070bfcb1955e2cab66c26c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee54b9b398ce80cd054b56173fe810f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c543c3ddc3723fde6bbfca3ea3b921b.png)
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016678046613504/3017682854371328/STEM/e47e640018424ef79b76a307c7026a62.png?resizew=239)
A.63° | B.65° | C.68° | D.72° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,AB是⊙O的直径,C,D是⊙O上两点,AD=CD,过点C作⊙O的切线交AB的延长线于点E,若∠E=50°,则∠ACD等于( )
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898595756662784/2899838072791040/STEM/b9edcb0331734bd9bd46940486eec7ee.png?resizew=200)
![](https://img.xkw.com/dksih/QBM/2022/1/20/2898595756662784/2899838072791040/STEM/b9edcb0331734bd9bd46940486eec7ee.png?resizew=200)
A.40° | B.50° | C.55° | D.60° |
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