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Find the length of the radius of a sphere with a surface area of

0 votes

314.16 ft².

volume-surface-area

asked Jul 17, 2013 in PRECALCULUS by futai Scholar

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1 Answer

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Surface Area of a Sphere is S=4πr^2

Substitute 314.16 ft^2 for s

314.16=4πr^2

r^2=25

r=5 ft

answered Jul 17, 2013 by bradely Mentor

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