Answer:
Step-by-step explanation:
The formula for circumference is: C = 2πr
π = 3.14
r = radius.
The Circumference given to us is 72π. Plug in 72π for C
72π = 2πr
Isolate the variable, r. Divide 2 and π from both sides
(72π)/2π = (2πr)/2π
r = (72π)/2π
r = 36
36 in. is your answer
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