Question

If the radius of the circle id 4 cm, find its circumference.[ use 3.14 for pi]

Answer 1

C = 25.12 cm

Explanation:

the circumference (C ) of a circle is calculated as

C = 2πr ( r is the radius )

here r = 4 and using π ≈ 3.14 , then

C = 2 × 3.14 × 4 = 25.12 cm