如图,已知AB‖CD,AB=CD,AF=CE,试说明BE=DF

如图,已知AB‖CD,AB=CD,AF=CE,试说明BE=DF 如图,已知AG/AB=AF/AD,GE‖BC.求证：EF//CD 如图,已知AE⊥AD,AF⊥AB,AB//CD,AE=CD,AE=AD,AF=CD,求证AC=EF 如图,cd=ab,af=ce,de=bf.求证ab平行cd. 如图,CD=AB,AF=CE,DE=BF.求证：AB∥CD.速求速求速求速求速求速求速求速求速求速求速求速求速求 如图,cd=ab,af=ce,de=bf.求证ab平行cd. 如图,cd=ab,af=ce,de=bf.求证：ab∥cd 如图,AB//CD,AF//DE,BE=CF求证:AB=CD 如图,ab平行cd,af平行de,be=cf,求证：ab=cd 如图,AB∥CD,AB∥CD,BE=CF,求证AF∥ED. 已知:如图AC⊥BD,AB‖CD,AB=CD.求证:AD=AB 如图,已知AE⊥AD,AF⊥AB,AB∥CD,AF=CD,AE=AD,求证：AC垂直EF. 已知:如图AB=CD AE=FD BF=EC 求证AF=ED 如图,已知AB//CD,AF//CE,∠1=20°,求∠2度数. 如图,已知AF//BE//CD,AB//ED.求证:∠A=∠D 如图,已知AF//DE,AF=DE,BE=CF.AB和CD平等吗?说明理由 如图,已知AF‖BE‖CD,AB‖ED,求证角A=∠D图片是六边形 如图,已知AF‖BE‖CD,∠A=∠D,求证AB‖ED,六边形