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25-04-2017
Mathematics

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work out the circumferance of the circle, using pie as 3.14, and radius as 3cm

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25-04-2017

The Circumference of a circle is 2PiR or PiD.
3.14 x 3 x 2
3.14 x 6
18.84 is your answer.

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25-04-2017

C=2πr in this case and using the approximation...

C=2(3.14)3=18.84cm (note 22/7 is a much better approximation and is just as easy to use :))

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