Question

The radius of the circle is 9 meters what is the circles circumfrence

Answer 1

c = 18π exact answer

c = 56.52 decimal approximation

Explanation:

c = 2πr

c = 2π * 9

c = 18π exact answer

Using 3.14 for π

c = 18 * 3.14

c = 56.52 decimal approximation