如图,AB=AC,AD=AE,AB与CD相交于点M,BE与AC相交于点N,∠DAB=∠EAC.求证：AM=AN

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AB=AC,AD=AE,AB与DC相交于点M,∠DAB=∠EAC,AM=5,求AN的长 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． 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,AP⊥DC于P,AQ⊥BE于Q且∠DAB= 如图AB=AC AD=AE,BE与CD相交于点o,求证AO⊥BC 如图,点D在AB上,点E在AC上,CD与BE相交于点O,且AD=AE,AB=AC． 已知:如图AB=AC,AD=AE.AB,DC相交于点M,AC,BE相交于点N, 如图,AB=AC,CD⊥AB于D,BE⊥AC于E,BE与CD相交于点O.①求证：AD=AE ②连接OA,BC,试判断直线 如图,AB=AC,CD垂直AB于D,BE垂直AC于E,BE与CD相交于点O.（1）求证；AD=AE.（2）连接OA,BC