下列说法中,正确的是( )
A.同位角相等 | B.内错角相等 | C.同旁内角互补 | D.对顶角相等 |
更新时间:2021-04-17 11:40:45
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【推荐2】如图,直线AB,CD相交于点O,若
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【推荐1】下列命题不正确的是( )
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【推荐2】如图,在△ABC中,∠A=80°,∠B=40°,D,E分别是AB,AC上的点,且DE//BC,则∠AED的度数为( )
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【推荐1】如图,直线a、b被直线c所截,若
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【推荐2】一大门的栏杆如图所示,
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