已知AB=AC,∠A=90度,AE=BF,BD=DC.求证FD⊥ED

已知：如图6,△ABC中,∠A= 90°,AB = AC = BD ED⊥BC 求证：AE = DE =DC 已知：如图,ED⊥AB,FC⊥AB,垂足分别为D、C,AE平行BF,且 AE=BF,求证：AC=BD 已知:如图,点A,B,C,D在同一条直线上,EA⊥AD,FD⊥AD,AE=DF,CE=BF.求证:AB=DC. 已知：如图,在△ABC中,∠A=90°,点D在BC上,AB=AC=BD,ED⊥BC,垂足为D 求证：AE=DE=DC 已知如图,ED平行AB,AE=ED,DC垂直AC于C,DB垂直AB于B求证CD=BD RT△ABC中,AB=AC,AE=BF,BD=DC,∠BAC=90,求证:DE=DF且DE⊥DF 如图,在△ABC中,已知∠A等于90度,ED⊥BC于点D.AB=BD,求证：AE=ED 如图、ED‖AB、AE=ED、DC⊥AC于C,DB⊥AB于B,求证：CD=BD ED垂直AB,FC垂直AB,垂足为D,C,AE平行BF,且AE=BF求证：AC=BD 如图,AB=AC,∠BAC=90°,BD⊥AE于D,CE⊥AE于E,且BD>CE.求证:BD=EC+ED. 已知,如图所示,AB=CD,BF⊥AC,DE⊥AC,AE=CF.求证：BD平分EF AB=CD,BF⊥AC,DE⊥AC,AE=CF,求证:BD平分EF