如图AB=CD AE=DF CE=FB 试说明AE‖DF
如图AB=CD AE=DF CE=FB 试说明AE‖DF
如图,ab=cd,ae=df,ce=fb,求证af=de
如图,AB=CD,AE=DF,CE=BF,求证AE平行DF
如图,AB=CD,AE=DF,CE=BF,求证:AE平行DF
已知,AE=DF,BF=CE,AE//df,问ab=cd吗?说明理由.
已知如图AB=DC,AE=DF,CE=FB求证AF=DE
如图,已知AB=DC,AE=DF,CE=FB,求证AF=DE
已知:如图,AB=DC,AE=DF,CE=FB,求证:AF=DE
1.已知,AE=DF,BF=CE,AE‖DF,问AB=CD吗?说明理由.
如图,AB=CD,AE⊥BC,DF⊥BC,CE=BF.求证:AE=DF.
如图所示,AB=CD,AE=DF,CE=BF,求证 AE‖DF
已知:如图,AD=CD CE=BF DF=AE 求证AB‖DC