已知,如图,△ABC和△BDE等腰直角三角形∠ABC=∠DBE=90°求证:△CDB≌△AEB.2CD⊥AE
问题描述:
已知,如图,△ABC和△BDE等腰直角三角形∠ABC=∠DBE=90°求证:△CDB≌△AEB.2CD⊥AE
答
(1)∵△ABC和△DBE均为等腰直角三角形,∴AB=BC,BD=BE,∠ABC=∠DBE=90°,∴∠ABC-∠DBC=∠DBE-∠DBC,即∠ABD=∠CBE,∴△ABD≌△CBE,(2)垂直.延长AD分别交BC和CE于G和F,∵△ABD≌△CBE,∴∠BAD=∠BCE,∵∠BAD+∠A...