if all the 4 corners of the rectangle are inside the circle place it. ...
if the left bottom corner is not inside the circle, push it up till it is in the circle.
Ratio of area of circles: = πr2 :πc2 = πr2 :π r2 4 = 4 :1. 1. The small equilateral triangle is rotated through 60° about O, the center of the circle. The arm of the rotation is the radius of the circle.
