The circumference of a circle is 2 pi miles. What is the radius?

asked Sep 3, 2023 139k views

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4 votes

$\text{circumference}=2\pi r$
$c=2\pi\text{miles}$
$\begin{gathered} 2\pi=2\pi r \\ r=(2\pi)/(2\pi) \\ r=1\text{ miles} \end{gathered}$

Ericzma answered Sep 6, 2023

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