圆外切正多边形
- 网络circumscribed equilateral n-polygons in a circle
圆外切正多边形圆外切正多边形
circumscribed equilateral n-polygons in a circle
... ) regular circumscribied polygon 外切正方形 ) circumscribed equilateral n-polygons in a circle 圆外切正多边形 ...
圆外切正多边形