Question

What is the circumference of a circle if the radius is 3 units

Answer 1

C = 18.86 units

Explanation:

Circumference = πd. d is diameter = 2r

= π ( 2r ). r is radius

C = 2πr

C = 2π × 3

C = 2 × 22/7 × 3

C = 18.86 units

Answer 2

The circumference would be 18.85