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

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

User CESCO
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\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

User Sivaprasad Derangula
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