如图,已知E,F在线段BC上,AB=DC,AE=DF,BF=CE.求证1）∠B=∠C 2）AF//DE

如图,已知E,F在线段BC上,AB=DC,AE=DF,BF=CE.求证1）∠B=∠C 2）AF//DE 如图,已知AB=DC AE=DF .CE=BF 求证:AF=DE 如图,已知AB=DC,AE=DF,CE=BF,求证：AF=DE 已知如图,点E,F在BC上BF=CE,AB=DC,AE=DF求证∠A=∠D 1.如图,点E,F在BD上,且BF=DE,AF=CE,AE=CF求证:(1)AB=CD(2)AB//DC 已知：如图,E﹑F是线段BC上的两点,AB∥CD,AB=DC,CE=BF.求证：AE=DF. 如图 已知AB=CD,AE=DF,CE=BF.求证：AF=DE 如图,已知：A,B,C,D在同一直线上,AD=BC,AE=BF,CE=DF,求证：（1）DF∥CE；（2）DE=CE 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 如图所示,已知点E、F在BC上,AB=DC,BF=CE. (1)若AE=DF,求证：CD∥AB (2