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.
hints*
18.84
37.68
75.36
452.16
Option C is correct: 75.36.
The formula for finding the circumference of a circle is C = 2πr, where r is the radius of the circle. Plugging in r = 12 and π ≈ 3.14, we get C = 2 (3.14) (12) = 75.36.