The radius of a circular car tire is 12.5 inches. Find the circumference. Use 3.14 for \pi

Martin Milan asked Feb 26, 2023

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The radius of a circular car tire is 12.5 inches. Find the circumference. Use 3.14 for
$\pi$

Martin Milan asked Feb 26, 2023

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13 votes

Answer:

78.5 in

Step-by-step explanation:

The circumference can be calculated as:

$C=2\pi\cdot r$

Where r is the radius and π is approximately 3.14.

So, replacing r by 12.5 inches, we get:

$\begin{gathered} C=2(3.14)(12.5\text{ in)} \\ C=78.5\text{ in} \end{gathered}$

Therefore, the circumference is 78.5 in

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