如图,AB=CD,AE⊥BC,DF⊥BC,垂足分别为E,F,CE=BF.求证AE=DF
如图,AB=CD,AE⊥BC,DF⊥BC,垂足分别为E,F,CE=BF.求证AE=DF
如图,AB=CD,AE⊥BC,DF⊥BC,垂足分别为E,F.CE=BF,求证AB‖CD.
如图,AB=CD,AE⊥BC,DF⊥BC,垂足分别为E,F,CE=BF,求证:AB∥CD.
如图,已知,AB=CD,AE⊥BC于E点,DF⊥BC于F,AE=DF,求证CE=BF
如图,AB=CD,AE⊥BC,DF⊥BC,CE=BF.求证:AE=DF.
如图,AB=CD,AE⊥BC于E,DF⊥BC于F,AD交EF于O,OA=OD,求证:BF=CE
已知AD=BC,CE⊥AB,DF⊥AB,垂足分别为E、F,AE=BF,求证∠A=∠B
如图,在梯形ABCD中,AB//CD,AD=BC,点E,F在AB上,且AE=BF,连接CE,DF.求证:CE=DF .
AB=CD,AE垂直BC,DF垂直BC,CE=BF,求证AE=DF
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,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