摘要
主要讨论了四点共圆的判定问题,给出了几个判定定理,并相应地得出了证明四点共圆的几种证法,最后给出了判定四点共圆的几个应用实例。
In this paper, the problem how to discriminate four points on a circle is mainly discussed, and several dis- criminating theorems are presented. Some methods of proving four points on a circle are correspondingly obtained. Final- ly, as its application, examples are given.
出处
《贵阳学院学报（自然科学版）》
2013年第1期24-27,共4页
Journal of Guiyang University：Natural Sciences
基金
贵阳学院教学团队建设项目(数学建模教学团队)
关键词
四点共圆
凸四边形
反证法
four points on a circle
convex quadrangle
proof by contradiction
