全等三角形AB=CD,AE=DF,CE=BF,求AE//DF
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全等三角形AB=CD,AE=DF,CE=BF,求AE//DF
△ABE和△DFC中
AB=CD AE=DF BE=BF-EF=CE-EF=CF
△ABE≌△DFC中
AB=CD AE=DF BE=BF-EF=CE-EF=CF
△ABE≌△DFC中
如图,AB=CD,AE=DF,CE=BF,求证AE平行DF
如图所示,AB=CD,AE=DF,CE=BF,求证 AE‖DF
如图,AB=CD,AE=DF,CE=BF,求证:AE平行DF
已知,AE=DF,BF=CE,AE//df,问ab=cd吗?说明理由.
AB=CD,AE垂直BC,DF垂直BC,CE=BF,求证AE=DF
已知,AE=DF,BF=CE,AE//DF,问AB=CD吗
1.已知,AE=DF,BF=CE,AE‖DF,问AB=CD吗?说明理由.
如图,AB=CD,AE⊥BC,DF⊥BC,CE=BF.求证:AE=DF.
如图,AB=CD,AE=DF,CE=BF.[1]判断EC和BF
如图 已知AB=CD,AE=DF,CE=BF.求证:AF=DE
AE=DF CE=BF AB=CD 问BE和CF平行吗?为什么?
已知:如图,AD=CD CE=BF DF=AE 求证AB‖DC