Question

What is the circumference of a circle with diameter 17 cm?

Answer 1

circumference = diameter * PI
circumference = 17 * PI
circumference = 53.407075111 cm

Answer 2

Circumference of a circle formula -- c = 2πr, where:
c = circumference
r = radius


`Diameter = 2*radius`


`Radius = (diameter)/(2)`


`(17)/(2) = 8.5`

Radius = 8.5

c = 2π(8.5)
c = 17π
c ≈ 53.407