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How do I find the answer to this? Also what is the meaning of pi when finding a circumference?

How do I find the answer to this? Also what is the meaning of pi when finding a circumference-example-1

1 Answer

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Circumference is C = 2πr = πd
Answer:

r = 6.5 in
C = 40.840704496667 in
A = 132.73228961417 in²
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