2014年10月13日
sicily 1059. Exocenter of a Trian
摘要： DescriptionGiven a triangle ABC, the Extriangles of ABC are constructed as follows:On each side of ABC, construct a square (ABDE, BCHJ and ACFG in the... 阅读全文
posted @ 2014-10-13 12:36 厕所门口~~ 阅读(387) 评论(1) 推荐(0) 编辑