Question

find the radius and circumferece. of circle of area 1386 m2​

Answer 1

Step-by-step explanation:

Area = pi *r^2

1386 m2 = pi *r2

1386m2 = 22/7 * r2

1386*7/22 = r2

441 = r2

√441 =r

21 m = r

circumference = 2 *pi*r

= 2* 22/7 *21 m

circumference.= 132 m