Calculate the radius of the circle, if it has a circumference of $16 π$ feet.

\sqrt{8}

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4

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8

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16

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32

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Solution

The correct option is C $8$ ft
Given, Circumference $= 16 π$
The circumference of a circle is given by $2 π r$ .
Hence, $2 π r = 16 π f t$
$∴ π r = 8 π f t$
$∴ r = 8 f t$

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