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

18.84
18.84

75.36
75.36

452.16
452.16

37.68
37.68

37.68

Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 450?(1 point)

Responses

C≈3.14⋅450÷2
upper C approximately equals 3.14 times 450 divided by 2

C≈2⋅3.14⋅450
upper C approximately equals 2 times 3.14 times 450

C≈3.14⋅4502
upper C approximately equals 3.14 times 450 squared

C≈3.14⋅150
upper C approximately equals 3.14 times 150

C≈2