What is the circumference of the circle that has a radius of 3m?

1 Answer
BRIAN M.
Apr 26, 2016

#C=6picm^2 = 18.84cm^2#

Explanation:

Circumference of a circle can be calculated using #2pir# or #pid#

where #r# is the radius and #d# is the diameter where #d=2r#

#r = 3m#
#pi=3.14#

#2pi(3)# = #6pi# = #6(3.14)# = #18.84cm^2#

#C=6picm^2 = 18.84cm^2#

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