Question

If we make a circle with a wire of 132 meter long ,what would be the radius of the circle?

Answer 1

let the circle made with 132 m be circumference

hence

2 pi r(radius) =132

r=132/2 pi

r=66/22/7 (pi=22/7)

r=66*7/22

r=3*7

r=21

hence radius be 21 metre