Question

If the circumference of a circle is equal to the perimeter of squre then the ratio of there area is

Answer 1

Let the radius of circle be r or side of a square be a.

then, according to que.

2πr=4a

2πr/4=πr/2

now, ratio of their area.

πr×r/[πr/2]×2

πr×r×4/π×π.r×r

14/11

πr×r:a×a

14:11

Answer