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题目
题型:同步题难度:来源:
如图所示,AB∥CD∥EF,那么∠BAC+∠ACE+∠CEF=

                                                                                                                                                         [    ]A.180°
B.270°
C.360°
D.540°
答案
C
核心考点
试题【如图所示,AB∥CD∥EF,那么∠BAC+∠ACE+∠CEF=                                                 】;主要考察你对平行线的性质等知识点的理解。[详细]
举一反三
如图,由AB∥CD可以得到

                                                                                                                                                         [    ]A.∠1=∠2
B.∠2=∠3
C.∠1=∠4
D.∠3=∠4
题型:同步题难度:| 查看答案

如图a∥b,∠3=108 °,则∠1的度数是



                                                                                                                                                         [    ]A.72°
B.80 °
C.82 °
D.108 °
题型:同步题难度:| 查看答案
如图,直线a、b被直线c所截(即直线c与直线a、b都相交),且a∥b,若∠1=118 °,则∠2的度数= _________ 度.  

题型:同步题难度:| 查看答案
吸管吸易拉罐内的饮料时,如图所示,∠1=110 °,则∠2= _________ 度.(易拉罐的上下底面互相平行)  

题型:同步题难度:| 查看答案
如图,FC⊥AD于C,GB⊥AD于B,∠DCE=∠A,那么与∠AGB相等的角有 _________ .  

题型:同步题难度:| 查看答案
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