Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 12? Use 3.14 for π and express your answer to the hundredths place.

Question

A.37.68

B. 18.84

C. 452.16

D. 75.36

Answer 1

D. 75.36 (Circumference formula: C = 2πr = 2 x 3.14 x 12 = 75.36)