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3 years ago

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Find the exact circumference of a circle with the given radius. 3¼ inches C = 6.25 in. 6.5 in. 23.25 in.

2 answers:

Vadim26 [7]3 years ago

4 0

Hello!

To find the circumference of a circle you use the equation

$C = 2 \pi r$

C is circumference
r is radius

Put in the values we know

$C = 2 *\pi *3 \frac{1}{4}$

Multiply the 2 and the 3 1/4

$C = 6.5 \pi$

The answer is $C = 6.5 \pi$

Hope this helps!

PSYCHO15rus [73]3 years ago

3 0

Answer: 6.25π in

Explanation:

$\textnormal {Circumference =} 2\pi (3.25) = 6.5 \pi \textnormal{ in}$

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