△ABC与△DEF中,∠A=∠D,∠ABC=∠DEF,∠ABC和∠DEF的角平分线分别为BP、EM,BP=EM,求证:△ABC≌△DEF
证明:BP、EM分别平分∠ABC和∠DEF,而∠ABC=∠DEF
∴∠ABP=∠DEM,同时:∠A=∠D,BP=EM
∴△ABP≌△DEM,
∴AB=DE,而∠ABC=∠DEF,∠A=∠D
∴△ABC≌△DEF
证毕
△ABC与△DEF中,∠A=∠D,∠ABC=∠DEF,∠ABC和∠DEF的角平分线分别为BP、EM,BP=EM,求证:△ABC≌△DEF
证明:BP、EM分别平分∠ABC和∠DEF,而∠ABC=∠DEF
∴∠ABP=∠DEM,同时:∠A=∠D,BP=EM
∴△ABP≌△DEM,
∴AB=DE,而∠ABC=∠DEF,∠A=∠D
∴△ABC≌△DEF
证毕