单词	radius (polygon)
释义	Radius (Polygon) The distance from the center to a vertex (corner point) of a regular polygon. It is the radius of the circle (called the circumcircle) that passes through all vertices (corner points) of the regular polygon. See: Apothem
随便看	capacity capital gain capital loss cardinal number cartesian coordinates cash flow statement categorical data catenary causality celsius census cent center | centre centi- centigrade centimeter central angle centroid century certain chaos chord circle circumcenter circumcircle

数学辞典收录了1200条数学词条，基本涵盖了常用数学知识及数学英语单词词组的翻译及用法，是数学学习的有利工具。