apothem的中文含义、英语词性、发音及同义词

中文含义: 短半径,多用于正多边形指圆心到多边形内任意一条边的垂线段长度。

英语词性: noun

美式发音: /ˈæpəθəm/

同义词: radius, perpendicular bisector

易混淆词汇

在数学中,apothem常常与radius混淆。apothem通常指正多边形内到任意一条边的垂线段长度,而radius指圆的半径长度。

例句

  • The apothem of a regular hexagon is the distance from the center to a side along a perpendicular line.(正六边形的短半径是从中心点到垂足的距离。)
  • To find the area of a polygon, you need to know the length of its apothem and the length of its sides.(要计算多边形的面积,需要知道其短半径和边长。)
  • The apothem of a regular octagon is half the length of one of its diagonals.(正八边形的短半径是对角线长度的一半。)