Question

a circle has a radius of 30 cm. What is that circumference of the circle?

Answer 1

Answer:

C = 60pi cm or approximately 188.4 cm

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi *r

C = 2* pi * 30

C = 60 pi

We can approximate pi by 3.14

C  is approximately 60*3.14 or 188.4

Answer 2

Answer:

188.49 cm

hope this helps