如图,
,
,
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720942013087744/2789528989974528/STEM/70cfd79b-2843-416a-b043-d041defabe05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05671b2703194270861dd5ca292627bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdebc1592efdbdf58b9b0dd9ee725c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4598486f8c5ac28b1165b76e78105979.png)
![](https://img.xkw.com/dksih/QBM/2021/5/14/2720942013087744/2789528989974528/STEM/70cfd79b-2843-416a-b043-d041defabe05.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-08-19 14:14:10
|
【知识点】 根据平行线判定与性质求角度解读
相似题推荐
单选题
|
较易
(0.85)
真题
名校
【推荐1】如图,已知直线
,直角三角板
的顶点A在直线m上,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0205571fa39f343ee5749b78d466bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780d8fd6c6c1deeeb45e15f639719e02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/18/15d8f617-acfa-4ebd-8219-78c8f210b37a.png?resizew=145)
A.21° | B.48° | C.58° | D.30° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,将一副三角板按如图放置,则下列结论:①∠1=∠3,②如果∠2=30°时,则有AC
DE,③如果∠2=30°,必有∠4=45°,④如果∠2=30°,则AB⊥DE.其中正确的有( )
![](https://img.xkw.com/dksih/QBM/2022/8/1/3034908481503232/3039430424281088/STEM/d0bb8b32e1ec411e8ed92be425657cda.png?resizew=263)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/2022/8/1/3034908481503232/3039430424281088/STEM/d0bb8b32e1ec411e8ed92be425657cda.png?resizew=263)
A.①②③ | B.②③④ | C.①②④ | D.①②③④ |
您最近一年使用:0次