如图,已知AB∥DE,则下列式子表示∠BCD的是( )
![](https://img.xkw.com/dksih/QBM/2020/4/15/2442204620496896/2442597744893952/STEM/da7b1537-8f17-45b1-9221-f3b12c0ee802.png?resizew=183)
![](https://img.xkw.com/dksih/QBM/2020/4/15/2442204620496896/2442597744893952/STEM/da7b1537-8f17-45b1-9221-f3b12c0ee802.png?resizew=183)
A.∠2﹣∠1 | B.∠1+∠2 |
C.180°+∠1﹣∠2 | D.180°﹣∠2﹣2∠1 |
更新时间:2020-04-16 10:20:44
|
【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)
【推荐1】如图,将一条对边互相平行的纸带进行两次折叠,折痕分别为AB,CD.若CD∥BE,∠1=25°,则∠2的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/9/2f047088-a922-4558-9665-fe55b0e535ad.png?resizew=185)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/9/2f047088-a922-4558-9665-fe55b0e535ad.png?resizew=185)
A.50° | B.60° | C.65° | D.70° |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】将一副三角板按如图放置,其中
,则下列结论正确的序号有( )
如果
与
互余,则
;
如果
,则有
;
;
如果
,必有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691048ce61c91a8a3680fa3025193160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b871a762469393cdd22f15aa49ebb8f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72df858ec62cb48c364a3ca3de99463c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615c891c931323fc44eae27d03cd0bce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cc39bd5f811ee710c8a9fb73d57791.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e404a9b245d3b7bf01b71b0b995d413b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8b8edd94bc4d5d517ec77e56800e41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77975c97f5c4c5b780db89f38548c1e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ca775b81195fffe5bcb3ae613e5f3d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次