最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦~
A and B are the endpoints of a line segment. Segment AB is crossed through point C by another line segment with endpoints D and E. If ∠ACD > 90?, and the sum of ∠ACE and ∠BCD is x, then which of the following must be true?
D显示答案
以上解析由 考满分老师提供。