AD是三角形ABC的角平分线,AD的垂直平分线分别交AB BC的延长线于点F,E 求证:∠EAC=∠B
如题http://shishangnanhai12.blog.163.com/album/#m=2&aid=212209741&pid=6470624005图在这...
如题
http://shishangnanhai12.blog.163.com/album/#m=2&aid=212209741&pid=6470624005 图在这 展开
http://shishangnanhai12.blog.163.com/album/#m=2&aid=212209741&pid=6470624005 图在这 展开
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