如图,AB=AC,AD=AE,CD=BE,求证,角DAB=角EAC
如图,AB=AC,AD=AE,CD=BE,求证,角DAB=角EAC
如图,已知AB=AD,AC=AE,∠DAB=∠EAC,BE,CD交于P,求证:AP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,己知三角形ABC和三角形ADE都是等腰三角形,AB=AC,AD=AE,且角DAB=角EAC,求证,三角形ABC∽三
如图,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证△EAC≌△DAB
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
已知,如图ad平行bc,ae、be分别平分角dab、角abc,cd通过ae,求证ad+bc=ab
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,AB,DC相交于点M,AC,BE相交于点N,∠DAB=∠EAC.求证:△ADM≌△AEN.
如图,已知AE=AC,AD=AB,∠EAC=∠DAB.求证:△EAD≌△CAB.
如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD
如图,己知三角形ABC和三角形ADE都是等腰三角形,AB=AC,AD=AE,且角DAB=角EAC,则DE和bc平行