如图,已知AB=AD,AC=AE,∠DAB=∠EAC,BE,CD交于P,求证:AP平分∠DPE
如图,已知AB=AD,AC=AE,∠DAB=∠EAC,BE,CD交于P,求证:AP平分∠DPE
已知,如图所示,AB=AC,AD=AE,∠DAB=∠CAE,CD与BE相交于P、求证 PA平分∠DPE
15如图,AB=AC,AD=AE.AB、DC相交于M,AC、BE相交于N,∠DAB=∠EAC.求证:AM=AN
如图,已知AC平分∠DAB,CE⊥AB于E,CD=CB,求证=½(AB+AD)
已知:如图AB=AC,AD=AE.AB,DC相交于点M,AC,BE相交于点N,∠DAB=∠EAC.求证:∠D=∠E
如图,AB=AC,AD=AE,CD=BE,求证,角DAB=角EAC
已知:如图,AB=AC,AD=AE,BE、CD交于点G.求证:AG平分角BAC
已知如图:AD∥BC.E是CD的中点.AE平分∠DAB.BE平分∠ABC.求证:AD+BC=AB.
如图,在△ABC外有Rt△ABD和Rt△ACE,∠DAB=∠EAC=90°,AD=AB,AC=AE,CD与BE交于M.&
已知如图,AB=AC,AD=AE,AB、DC相交于点M,AC、BE相交于点N,AP⊥DC于P,AQ⊥BE于Q且∠DAB=
如图,AB∥CD,∠DAB=∠DCB,AE平分∠DAB且交BC于E,CF平分∠DCB且交AD于F.求证:AE∥FC.
如图6,AB=AC,AD=AE,∠DAB=∠EAC,AB、DC相交于点M,AC、BE相交于点N,BE、CD相交于点O,证