Question

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

18.84
18.84

37.68
37.68

452.16
452.16

75.36

Answer 1

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⋅150
upper C approximately equals 3.14 times 150

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

Answer 2

37.68

Answer 3

C≈2