Circumference & Area of Circles Quick Check

Question

1 of 51 of 5 Items

Question
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.(1 point)
Responses

37.68
37.68

75.36
75.36

452.16
452.16

18.84

Answer 1

The correct formula to find the circumference of a circle is C = 2πr. Given that the radius is 12, we can substitute and calculate:

C = 2 * 3.14 * 12
C = 75.36

Therefore, the correct answer is 75.36.