Question

The area of a circle is 616 cm find the circumference

Answer 1

heya

here is your answer

Answer 2

Given,area of circle =616 square cm

We know that

Area of circle=pie×r×r

Therefore,616=22/7×r×r

616×7/22=r×r

r×r=196

Taking square root

r=14cm

Circumference of circle=2×pie×r

2×22/7×14

2×22×2

88cm