
Arturo O. answered 11/15/17
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C = 2πr
r = C/(2π)
A = πr2 = π[C/(2π)]2 = C2/(4π) = (63 in)2/(4π) = 992.25/π in2
Madison D.
asked 11/15/17Arturo O. answered 11/15/17
Experienced Physics Teacher for Physics Tutoring
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