What is the circumference of a circle with a diameter of three?

1 Answer
Steve M
Mar 13, 2018

circumference is #3pi ~~ 9.42 #

Explanation:

The circumference of a circle of radius #r#, is given by:

# P = 2 pi r #

If the diameter is #3#, then:

# 2r = 3 #

So then we have:

# P = 2 pi (3/2) #
# \ \ \ = 3pi #
# \ \ \ ~~ 9.42 #

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