What is the circumference of a circle when the radius is 3 1/3.

Circumference of circle with radius

3

is

18.85

Explanation:

Circumference of circle with radius

r

is

2

π

r

, where

π

=

3.1416

.

As such, circumference of circle with radius

3

is

2

*

3.1416

*

3

or

6

*

3.1416

=

18.8496

≅

18.85

,