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Mariulka [41]
3 years ago
13

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

Mathematics
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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