【趣味数学题】 新算额题（一） Revival of Sangaku 1

郑涛提出的问题

图：圆的内接正方形之内有等边三角形

命题：求面积比率（三角形：正方形：圆形）

Problem created by Tao Steven Zheng

Diagram: An equilateral triangle inside a Square that is inscribed within a circle 

Problem: Determine the ratio of the areas (Triangle: Square: Circle)