如图,AB∥CD,CF交AB于点E.若∠C等于42度,则∠AEF=______度.
题型:不详难度:来源:
如图,AB∥CD,CF交AB于点E.若∠C等于42度,则∠AEF=______度.
![](http://img.shitiku.com.cn/uploads/allimg/20191023/20191023110440-60775.png) |
答案
∵AB∥CD,∠C=42°, ∴∠BEF=∠C=42°, ∴∠AEF=180°-∠BEF=180°-42°=138°. 故答案为:138. |
举一反三
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