如图,在正方体ABCD-A1B1C1D1中,与面CC1D1D垂直的棱有______.
题型:不详难度:来源:
如图,在正方体ABCD-A1B1C1D1中,与面CC1D1D垂直的棱有______.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085514-49132.png) |
答案
在正方体ABCD-A1B1C1D1中,与面CC1D1D垂直的棱有A1D1、B1C1、AD、BC. |
举一反三
如图,O为直线AB上一点,OC平分∠AOD,3∠AOC=∠BOC, (1)求∠COD的度数; (2)试判断OD与AB的位置关系,并说明你的理由.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085510-55668.png) |
如图OC⊥AB,DO⊥OE,图中与∠COE互余的角为______,若∠COD=60°,则∠AOE=______度.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085506-76338.png) |
如图,直线AB、CD相交于点O,OE⊥CD,∠BOE=54°,则∠AOC等于( )
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085503-38868.png) |
如图,直线AB,CD,EF相交于点O,AB⊥CD,OG平分∠AOE,∠FOD=28°,则∠BOE=______度,∠AOG=______度.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085459-37175.png) |
如图,两直线AB、CD相交于O点,OE⊥CD,且∠BOC=4∠BOE,试求∠AOE的度数.
![](http://img.shitiku.com.cn/uploads/allimg/20191024/20191024085455-61951.png) |
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