如图,已知AB∥ED,∠B=40°,CN是∠BCE的平分线,CM⊥CN,则∠BCM=_______ °.
![](https://img.xkw.com/dksih/QBM/2019/5/10/2200703672877056/2203741445332992/STEM/a77867a0e19144b9a4221cb3716ee210.png?resizew=111)
更新时间:2018-12-20 11:02:19
|
【知识点】 根据平行线的性质求角的度数解读
相似题推荐
填空题
|
较易
(0.85)
【推荐1】如图,将长方形
沿
对折,使得点D落在
边上的点G处,点C落在点H处,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a580ca102044f83a4565c35c7866a013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc310194575262fb45352c2fbc19868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83873a9d782f2588c5eedbfe73f9bc2f.png)
您最近一年使用:0次
填空题
|
较易
(0.85)
【推荐2】若将含有45°角的直角三角板和直尺按如图所示的方式叠放在一起,
,则
的度数为__________ °.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54ccc7d2f8af35a252977d6e2af4663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/cc55f028-0cfc-4108-b976-0e00341cd518.png?resizew=152)
您最近一年使用:0次