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汉语拼音：zhèng duō biān xíng

又称正多角形”。各条边相等、各个角也相等的多边形。有同心的外接圆和内切圆，其圆心称为正多边形的中心。外接圆的半径称为正多边形的半径，内切圆的半径称为正多边形的边心距，每一边所对的外接圆的圆心角称为正多边形的中心角。

正多边形 [zhèng duō biān xíng]

1. 若一多边形的边长都相等，且所有内角的角度也都相等，则称此多边形为正多边形。如正三角形、正方形、正五边形等都是正多边形。

• this article has simply introduced a number of nature of regular polygon circumscribed circle by means of the Ptolemy's theorems.

  文章利用托勒密定理简洁地导出了正多边形外接圆的若干性质。

• A line segment that joins the center of a regular polygon with any of its vertices.

  将正多边形的中心与它的一任一顶点起的来的线段。

• any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent.

  各面都是正多边形且多面体的角都相等的立体。

• a regular polygon formed by completing two equilateral triangles from a regular hexagon.

  来自于正六角形的两个完全等边三角形组成的正多边形。

• The circle has greater area than a regular polygon of the same perimeter .

  正的面积比同样周长的正多边形的面积大。

• One day I suddenly realized that a circle is special; it's special because it is a kind of regular polygon, a shape of innumerable sides.

  有一天我突然明白了，圆也是特殊的，特殊在它是正多边形的一种，正无数边形。

• Generalization of a Feature of Regular Polygons

  正多边形的一个性质的推广

• Research on the Calculating Theory of Regular Polygon Folded-plated Shell

  正多边形幕结构计算理论研究

• Research on Regular Polygon Continuous Forming Principle and Mathematical Model Based on Straightness Constraint Condition

  基于直线度约束条件的正多边形连续成形原理及数学模型研究