如图,已知AE⊥AD,AF⊥AB,AB//CD,AE=CD,AE=AD,AF=CD,求证AC=EF
如图,已知AE⊥AD,AF⊥AB,AB//CD,AE=CD,AE=AD,AF=CD,求证AC=EF
如图,已知AE⊥AD,AF⊥AB,AB∥CD,AF=CD,AE=AD,求证:AC垂直EF.
如图,AE垂直于AD,AF垂直于AB,AB平行于CD,AE=AD,AF=CD,求证:AC=EF
如图,AB‖CD,AD‖BC,AE⊥AB,AF⊥AD,AE=AB,AF=AD,试说明AC=EF
如图,已知AD//BC,AD=BC,AE⊥AD,AF⊥AB,AE=AD,AB=AF.求证:AC=EF.
如图,已知AE⊥AD,AF⊥AB,AF=AB,AE=AD=BC,AD‖BC,求证AC⊥EF
如图,AD∥BC,AD=BC,AE⊥AD,AF⊥AB,且AE=AD,AF=AB,求证:AC=EF.
如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
已知,如图,AB=AD,CB⊥AB,CD⊥AD,E,F分别是BC,DC的中点求证AE=AF
如图,四边形ABCD中,AB=AD,AC平分∠BCD,AE⊥BC,AF⊥CD.
如图,已知AE⊥AD,AF⊥AB,AF=AB,AE=AD=BC,AD∥BC,求证:(1)AC=EF(2)AC⊥EF
如图,已知A、B、C、D在一条直线上,AB=CD,EB⊥AD,FC⊥AD,AE=DF.求证:AF=DE