Radius of the circle
$ radius = 2 ; $ totalRectangles ; $ totalRectangles = countRectangles ( $ radius ) ; echo $ totalRectangles , " ▁ rectangles ▁ can ▁ be ▁ " , " cut ▁ from ▁ a ▁ circle ▁ of ▁ Radius ▁ " , $ radius ; ? >