如图,已知直线AB、CD、EF、MN相交于点O,CD⊥AB,OC平分∠EOM,图中∠EOC的余角的个数是( )
![](https://img.xkw.com/dksih/QBM/2018/12/17/2098985950420992/2100756194131969/STEM/472fe8bdbf7f4010b370f2a54188249c.png?resizew=159)
![](https://img.xkw.com/dksih/QBM/2018/12/17/2098985950420992/2100756194131969/STEM/472fe8bdbf7f4010b370f2a54188249c.png?resizew=159)
A.1 | B.2 | C.3 | D.4 |
更新时间:2018-12-20 11:02:19
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【推荐1】如图,直线
、
相交于点O,且
,则
的余角度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a28be55d31356b06b343d28afc42146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e7b8a59f8d66176463f3d71f882a26.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,点O是直线AE上一点,OB⊥AE,OC⊥OD,图中互余、互补的角各有( )对.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/de5108c6-a381-43ee-a6e0-cb8e192e60b3.png?resizew=267)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/de5108c6-a381-43ee-a6e0-cb8e192e60b3.png?resizew=267)
A.3,3 | B.4,7 |
C.4,4 | D.4,5 |
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