brayma
brayma
02-09-2016
Mathematics
contestada
A=2πr solve for π
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dalendrk
dalendrk
02-09-2016
[tex]A=2\pi r\\\\2\pi r=A\ \ \ \ |divide\ both\ sides\ by\ 2r\\\\\boxed{\pi=\frac{A}{2r}}[/tex]
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