The circumference of a circle is 28pi inches. What is the length of the radius of this circle?

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09-04-2019
Mathematics

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The circumference of a circle is 28pi inches. What is the length of the radius of this circle?

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jdoe0001 jdoe0001 · Answer 1 · 2019-04-09T00:12:31+02:00

jdoe0001 jdoe0001

09-04-2019

[tex]\bf \textit{circumference of a circle}\\\\ C=2\pi r~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ C=28\pi \end{cases}\implies 28\pi =2\pi r\implies \cfrac{28\pi }{2\pi }=r\implies 14=r[/tex]

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