Question

A horse is tied to a pole in a park with string of length 21m long find the area covered by horse can graze

Answer 1

We know that Area of circle = pi * r * r

= (22/7) * 21 * 21

= 1386 m^2.


Hope this helps!

Answer 2

21m is your radius.
Area Of a circle = pi*r square
= 22/7*21*21
= 22*3*21
= 1386m sq