Question

Find the circumference of a circle with a radius of 4ft. Circumference =[x]ft.

Answer 1

C ≈ 25.13 ft

Explanation:

the circumference (C) of a circle is calculated as

C = 2πr ( r is the radius ) , then

C = 2π × 4 = 8π ≈ 25.13 ft ( to 2 decimal places )