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The circumference of a circular frame is 4.25 inches. Which of the following expressions best represents r, the radius of the circular frame?

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The rule of the circumference of a circle is


C=2\pi r

Since C = 4.25 inches


2\pi r=4.25

Divide both sides by 2 pi


\begin{gathered} (2\pi r)/(2\pi)=(4.25)/(2\pi) \\ r=(17)/(8\pi) \end{gathered}

The answer is B

4.25/2pi

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