If the perimeter of a square is same as the circumference of a circle, then which of the following is true?
The perimeter of a square, whose each side is 11 cm, is same as the circumference of a circle. Find the area of the circle.
If the circumference of a circle of radius 'r' and the perimeter of square of side 'a' are equal, then the ratio of area of the circle to that of the square is: