欧几里得几何中,等边多边形是指每条都一样长的多边形。如果这个多边形的也都相等,那么它是一个正多边形。等边三边形及等边四边形一定是凸多边形,边长超过四的等边多边形可能是凸多边形,也可能是凹多边形或是自相交的多边形英语list of self-intersecting polygons

等边三角形也会是正三角形。等边四边形即为菱形(其中也包括了正方形)。

参见

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.