如图,AB=DC,DF=BE,AF=CE,试证明∠ABE=∠CDF.
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
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,已知AB=CD,DF=BE,AF=CE,求证:∠CDF.
如图,AB=DC,AE=DF,CE=BF,试说明AF=DE
如图,AB=DC,AD=BC,E,F是DB上两点,且BE=FD.(1)证明:△ABE≌△CDF;(2)若∠AEB=80°
如图,已知∠C=∠D,AC=BD,CE⊥AB,DF⊥AB,E、F分别为垂足,证明:AF=BE
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