ab=dc,df=be,af=ce 求证△abe≌△cDF D0∥AB
AB=DC,DF=BE,AF=CE,求证:(1)△ABE≌CDF;(2)DC∥AB.
如图所示:BA⊥AC,DC⊥AC,AF=CE,BE=DF.求证;△ABE全等于△CDF,BE∥DF
如图,AB=DC,DF=BE,AF=CE,试证明∠ABE=∠CDF.
如图,已知AB//CD,BE//DF,AF=CE,说明:(1)△ABE≌△CDF(2)∠EBF=∠FDE
如图所示,已知AB=CD,BE=DF,△ABE全等于△CDF,求证;AB平行CD,AE平行CF
如图,已知AB=CD,DF=BE,AF=CE,求证:∠CDF.
如图,已知AB=DC AE=DF .CE=BF 求证:AF=DE
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
AB=DC.AE=DF.CE=BF.求证:AF=DE.
AB=DC,AE=DF,CE=FB,求证AF=DE
如图,已知AB=DC,AE=DF,CE=BF,求证:AF=DE