题目在△ABC\triangle ABC△ABC中,AB=ACAB=ACAB=AC,ABABAB的垂直平分线交ABABAB于点DDD,交直线ACACAC于点EEE,若∠EBC=36∘\angle EBC=36^{\circ}∠EBC=36∘,则∠ABC=______.\angle ABC= \_\_\_\_\_\_.∠ABC=______.知识点：相似三角形的判定I章节：图形的变化 / 图形的相似
