如图,在△ABC中,AB=2AC,AD评分∠BAC且AD=BD,求证：CD⊥AC

如图,在△ABC中,AB=2AC,AD评分∠BAC且AD=BD,求证：CD⊥AC 如图,在△ABC中,AB=2AC,AD平分∠BAC,且AD=BD,求证：CD⊥AC. 如图,△ABC中,AB=2AC,AD平分∠BAC,且AD=BD,求证：CD⊥AC 如图,△ABC中,AB=2AC,AD平分∠BAC,且AD=BD,求证CD⊥AC 如图所示,在△ABC中,AD平分∠BAC,CD⊥AC,AD=BD.求证：AB=2AC. 已知三角形ABC中,AB=2AC,AD平分∠BAC,且AD=BD,求证：CD⊥AC. 如图,在三角形ABC中,AD平分∠BAC,且BD=CD,求证AB=AC 如图,在△ABC中,AB=AC,∠BAC=120°,且BD=AD,求证：CD=2BD. 如图所示,在△ABC中,AB=2AC,AD平分∠BAC且AD=BD,求证CD⊥AC 如图,在△ABC中,AB=AC,AD平分∠BAC 求证：BD=CD 如图 在△ABC中 AD平分∠BAC 求证AB/BD=AC/CD. 如图,在△ABC中,AD平分∠BAC.求证(1):S△ABD:S△ACD=AB:AC;(2)BD:CD=AB:AC