如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN 求证：△ABM≌△CAN ∠AMB=∠CMD如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN求证：(1)△ABM≌△CAN(2)∠AMB=∠CMD

如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN 求证：△ABM≌△CAN ∠AMB=∠CMD如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN求证：△ABM≌△CAN∠AMB=∠CMD 如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN 求证：△ABM≌△CAN ∠AMB=∠CMD如图,AB⊥AC,NC⊥AC,AB=AC,M为AC中点,AN⊥BM交BC于D,BC平分∠ACN求证：(1)△ABM≌△CAN(2)∠AMB=∠CMD AB=AC,AB⊥AC 如图,已知AB⊥BD,AC⊥AB,AB=AC,求证:BD=CD 如图,AB=AC, 如图,AB=AC,BD⊥AC,CE⊥AB求证BE=CD 已知,如图,AB=AC,CE⊥AB,BF⊥AC求证OA=OD 如图,AB⊥AC,AC⊥DC,AD=AB.试说明AD∥CB. 已知：如图,AB=BD,AC⊥CD,AB=AC.求证：BD=CD 如图,已知AB=AC,DE⊥AC,BF⊥AC,DG⊥AB,证明DE+DG=BF 已知：如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC.求证：ED⊥AC. 已知：如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC 求证：ED⊥AC 如图,AE⊥AB,BC⊥AB,AE=AB,ED=AC,求证:ED⊥AC 如图,在ABC中,AB=AC,BD⊥AC,求证:BC的平方=2AC乘以DC 如图,在三角形ABC中,AB=AC,∠A=120º AB的垂直平分线分别交BC,AC于M,E如图,在三角形ABC中,AB=AC,∠A=120ºAB的垂直平分线分别交BC,AC于M,E.AC的垂直平分线分别交BC,AC于N,F.求证：BM=MN=NC 如图,AC⊥BD AC=DC,BC=EC求证DE⊥AB 如图AC⊥BD,AC=DC,CB=CE,试说明DE⊥AB 如图,D,E分别是AB,AC的中点,CD⊥AB于D,BE⊥AC于E,求证AC=AB.图：