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09-11-2016
Mathematics

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The formula for the circumference of a circle is C = 2πr. Use this formula to write a formula for the RADIUS of a circle.

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ampofoeugenia7 ampofoeugenia7

09-11-2016

c=2πr
c/2π=2πr/2π divide both sides by 2π
c/2π=r
Therefore r=c/2π

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