Question

I will award a medal!!!!!!!!!!!! help me please

Find the circumference of a circle with radius of 18 in. Leave your answer in terms of Pi.

18 Pi. in.
324 Pi in.
54 Pi in.
36 Pi in.
*Pi. stands for 3.14:)

Answer 1

circumference = 2 x 3.14 x radius

Answer 2

circumference = 2*pi*radius
radius = 18
2*pi*18=2*18*pi=?

Answer 3

Circumference = 2 • π • radius = π • diameter

Answer 4

Circumference = 2 • π • radius
Circumference = 2 • π • 18
Circumference = 36 • π