Question

a horse is tied to a pole in a park with a string 21m long find the area over which the horse can graze.

Answer 1

Area grazed=pi r^2
=22/7 × 21
=66 m^2

Answer 2

Area grazed by horse = πr²
➡ r = 21m
➡ area = (22/7)*21*21
➡ 22*21*3
➡ 1386 m²

Hope it will help you !!!