已知如图,AE=AC,∠E=∠C,∠EAB=∠CAD,求证:AB=AD
已知如图,AE=AC,∠E=∠C,∠EAB=∠CAD,求证:AB=AD
已知:如图,AE=AC,AB=AD,∠EAB=∠CAD 已知:如图,AE=AC,AB=AD,∠EAB=∠CAD
已知:如图,AE=AC,AB=AD,∠EAB=∠CAD
已知如图,AE=AC,AB=AD,∠EAB=∠CAD,试说明:∠B=∠D
如图,AD,BD分别平分∠EAB和∠ABC,AE垂直EC于E,BC垂直EC于C.求证:AB=AE+BC
如图:已知:AB=AC,BD=CD,E为AD上一点,求证:∠BAD=∠CAD.
如图已知AD,BD分别平分∠EAB和∠CBA,EC过点D,AB=AE+BC,求证:AE平行BC
如图,AB=AD,AC=AE,∠BAE=∠DAC.求证:∠C=∠E.
已知,如图,AB=AC,AD=AE,BD=CE,AC平分DE.求证:(1)∠BAC=∠DAE;(2)∠BAD=∠CAD.
已知,如图,AB=AC,AD=AE.BD=CE,AC平分DE.求证∠BAD=∠CAD
已知:如图,AB=AC,AD=AE,角EAB=角DAC.角D=角E.
已知:如图,在△ABC中,AD平分∠BAC,DE‖AC交AB于点E,求证:AE:AB+AE:AC=1