如图:AB=DC,BE=DF,AF=DE.求证:△ABE全等△DCF
已知,如图,A,B,C,D四点在一条直线上,AC=BD,AE//DF,∠ABE=∠DCF,求证△ABE全等△DCF
如图所示:BA⊥AC,DC⊥AC,AF=CE,BE=DF.求证;△ABE全等于△CDF,BE∥DF
已知:如图,A,B,C,D四点在一条直线上,AC=BD,AE平行DF,∠ABE=∠DCF,求证:△ABE全等于△DCF
AB=DC,DF=BE,AF=CE,求证:(1)△ABE≌CDF;(2)DC∥AB.
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
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AB=CD AF平行DF CF平行BE 求证AF=DE
如图,AB=DC,DF=BE,AF=CE,试证明∠ABE=∠CDF.
如图,已知AB‖CD,OA=OD,AE=DF,求证①△ABE≡△DCF②EB‖CF