C). C≈2⋅3.14⋅450
This formula correctly calculates the circumference of a circle with a radius of 450 using the formula C = 2πr.
Which of the following uses the correct formula to find the approximate circumference of a circle that has a radius of 450?
A). C ≈ 3.14 ⋅ 150
B). C ≈ 3.14 ⋅ 450 ÷ 2
C). C≈2⋅3.14⋅450
D). C≈3.14⋅4502
1 answer