For solving regular polygon, the author presents a geometrograph which pides the circumference uniformly and arbitrarily; and derives an analytic expression. 介绍任意等分圆周的几何作图法及所推导的解析表达式,提出用解三角形法解决正多边形零件在设计和加工中的计算问题。
Researches on the Geometrograph in China under the Influence of the Euclid's Elements ( 1607-1723) Some Applications of the Basic Geometry Pattern in the Geometry Learning of Junior Middle School Level 明末清初《几何原本》影响下的几何作图(1607-1723)几何基本图形在初中几何学习中的应用研究
Geometrograph and Analytic Method for Regular Polygon 正多边形的几何作图法与解析法