Surface area of the top of the surface of the water in a circular swimming pool is about 206 square feet. Estimate the radius of the pool to the nearest tenth

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2016-04-12 06:27:49

The area of a circle is: A=πr^2, divide both sides by π r^2=A/π take the square root of both sides r=√(A/π), we are told that A≈206 ft^2 so: r≈√(206/π) ft r≈8.1 ft (to nearest tenth of a foot)

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