如图,已知AB=AC,AD=AE,AB与DC相交于点M,∠DAB=∠EAC,AM=5,求AN的长
如图,已知AB=AC,AD=AE,AB与DC相交于点M,∠DAB=∠EAC,AM=5,求AN的长
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
真么写已知如图ab=ac ad=ae ab dc相交于点m ac be相交于点n,角bab=角eac 求角am=an
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
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.
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,在△ABC外有△ABD和△ACE,且∠DAB=∠EAC=90°,AD=AB,AC=AE,DC与BE交于M,求,MA
已知:如图AB=AC,AD=AE.AB,DC相交于点M,AC,BE相交于点N,
已知:AB=AD,AC=AE,BC=DE,∠EAC=30°,求∠DAB的大小
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ad‖bc,∠dab的平分线ae和∠abc的平分线be相交于点e,且点e在dc上,试问:(1)ab=ad+bc