如图,直线
,直线
与直线
,
分别交于
,
两点,
于点
,交直线
于点
,如果
,那么
的度数为( )
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712397594189824/2721763976306688/STEM/b0275e28-62b9-46e2-a539-22d3389fea8a.png?resizew=230)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fbc714c63815dad9a27418f6492f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ba132ca9dd0d4a050659aef3c9b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7053457334966d5eeae2408ad0347b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712397594189824/2721763976306688/STEM/b0275e28-62b9-46e2-a539-22d3389fea8a.png?resizew=230)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2021-05-15 20:25:53
|
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【推荐1】如图,直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c8210eadb24a76eccacaaff9ef9df9.png)
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【推荐2】如图,将一块含有30°角的直角三角板的两个顶点放在矩形纸条的对边上,若∠1=∠2=30°,则∠3的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/94d194d6-da68-4705-95df-1c5909f9f489.png?resizew=275)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/16/94d194d6-da68-4705-95df-1c5909f9f489.png?resizew=275)
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【推荐2】如图,已知
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