BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
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BE=DF,AE=CF,AE//CF,求证AD//BC全等三角形BE=DF,AE=CF,AE//CF,求证AD//BC。我发不了图片
如图,已知BE=DF,AE=CF,AE∥CF,说明AB∥CD
已知BE=DF,AE=CF,AE‖CF,求证：AD‖BC
如图测,BE=DF,AE=CF,AE//CF,求证AD//BC
如图,已知BE=DF,AC=CF,AE‖CF.求证：AD‖BC.
如图,已知:BE=DF,AE=CF,AE平行CF.说明AB平行CD的理由
如图CD=AB,DF=BE,AE=CF,求证:DF//BE
AE垂直BC,DF垂直BC,E,F是垂足,且AE=DF,AB=DC,求证CF=BE.
已知:如图,点A,B,C,D在一条直线上,AC=DB,AE=DF,BE=CF,求证:AE∥DF,BE∥CF
已知:如图,点A,B,C,D在一条直线上,AC=DB,AE=DF,BC=CF求证AE平行DF,BE平行CF
如图AB=CD,BE=CF,AE=DF求证OA=OD
如图,AB=CD,BE=DF,AE=CF,求证:EO=FO?
已知AB=CD,BE=DF,∠ABE=∠CDF,求证AE∥CF
已知AB=CD,BE=DF,AE=CF,问AB‖CD吗
如图,已知AD‖BC,AD=CB,AE=CF.求证:DF=BE
AE=DF CE=BF AB=CD 问BE和CF平行吗?为什么?
如图,AE=DF,CE=BF,AB=CD,证明BE平行CF
AD=CB,AD‖CB,BE=DF求证AE=CF