Question

What is the circumference of a circle with a diameter of 4 feet? (use 3.14 for pi)

Answer 1

12.56 feet

Explanation:

C= pie times diameter

Or

C= 2 times pie times radius

C= 3.14 times 4

Therefore, the circumference equals 12.56 feet

Answer 2

12.56

Explanation:

using the formula 2piR