题目如图,若△ABC\triangle ABC△ABC≌△ADE,\triangle ADE,△ADE,则下列结论中一定成立的是（ ）A.AC=DEAC=DEAC=DEB.∠BAD=∠CAE\angle BAD=\angle CAE∠BAD=∠CAEC.AB=AEAB=AEAB=AED.∠ABC=∠AED\angle ABC=\angle AED∠ABC=∠AED知识点：相似三角形的判定I章节：图形的变化 / 图形的相似
