已知,如图,AB=AD,AE=AF,CB=CD,CE=CF.求证:∠DAF=∠BAE
已知,如图,AB=AD,AE=AF,CB=CD,CE=CF.求证:∠DAF=∠BAE
已知,如图,AB=AD,CB=CD,CE=CF.求证:∠DAF=∠BAE
如图,AC是∠DAF的平分线,CE平行AE于E,CF平行AB于F,CD=CB,求证DE=BF
如图所示,AB=AD,CB=CD,CE=CF.求证:AE=AF
已知:如图所示,在四边形ABCD中,AD=CB,∠DAF=∠BCE,AE=CF且AB∥CD.求证:△ADF≌△CBE
如图,已知AD=CB,AE=CF,DE=BF,求证AB=CD.
如图,已知AD=CB,AE=CF,DE=BF,求证:AB∥CD
如图,已知AB=AD,AC=AE,∠BAE=∠DAC,求证,AH=AF
1.已知∠A=∠C,AB∥CD,求证:AD=CB 2.如图,已知AF⊥BD,CE⊥BD,AF=CE,AB=CD,求证:A
已知,如图,AE=CF,角DAF=角BCE,AD=CB
已知:如图8,AB//CD,∠BAE+∠DCE=90° 求证:AE⊥CE
如图,已知∠B=∠E=90°,CE=CB,AB‖CD交于AE于点D,求证;AD=CE