点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/10 06:32:44
点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC

点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC
点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC

点D.E在△ABC的边BC上,AD=AE,BD=EC,求证:AB=AC
因为:D、E在BC上 AD=AE 所以:∠ADE=∠AED ∠ADB=∠AEC 又因:BD=CE AD=AE 所以:△ADB≌△AEC 所以:AB=AC