SOLUTION: what is the circumference of a circle that has a 9cm diameter and how do you work it out

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Question 333743: what is the circumference of a circle that has a 9cm diameter and how do you work it out
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
circumference of a circle = pi*D
D=9
circumference = pi%2A9
=28.27 cm