如图,AE=FC,AB=CD,BE=DF,∠F=∠ADF,求证DF‖BE

如图,AE=FC,AB=CD,BE=DF,∠F=∠ADF,求证DF‖BE 如图,AB,CD是圆O的直径,DF,BE是弦,且DF=BE.求证:FC=AE.希望能帮我解决, 如图CD=AB,DF=BE,AE=CF,求证:DF//BE 如图,已知AE/EB=DF/FC=/,求AB/EB,DC/FC,AB/AE,DC/DF的值 如图,已知BE=DF,AE=CF,AE∥CF,说明AB∥CD 已知:如图,点E,F分别为AB,CD上AE/EB=DF/FC 求证 【2】AB/AE=DC/DF 【1】AB/EB=DC/FC 如图AB=CD,BE=CF,AE=DF求证OA=OD 如图,AB=CD,BE=DF,AE=CF,求证:EO=FO? 如图,AE=DF,CE=BF,AB=CD,证明BE平行CF 如图,已知AB平行CD,AD平行BC,AE=CF,说明BE=DF. 如图!AD=BC,AE=FC,DF=BE.求证AD平行BC 如图,AD‖BC,AE=FC,AD=BC,求证：BE‖DF. 如图,AD=BC,AD‖BC,AE=FC,试说明BE‖DF. 如图,已知AD‖BC,AD=BC,AE=FC,求证:BE‖DF 【2009年,黄石市】如图,AD//BC,AE=FC,AD=BC.求证：BE//DF. 已知如图AB=CD AE=CF BE=DF请证明AB∥CD 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