babyface3084 babyface3084

01-03-2018
Mathematics

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determine the area of a 21ft circle

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sqdancefan sqdancefan

04-03-2018

A = (π/4)*d^2
.. = (π/4)*(21 ft)^2
.. = 110.25π ft^2
.. ≈ 346.36 ft^2

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