Question

Circumference

The radius of a circle measures
4m
. What is the circumference of the circle?

Use
3.14
for
π
, and do not round your answer. Be sure to include the correct unit in your answer.

4m

Answer 1

multiply 3.14 and 2 and your answer can be 6.28

Answer 2

circumference = pi x diameter
d= 2 x radius
3.14 x (2 x 4)
3.14 x 8= 25.12cm is the circumference