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OpenStudy (anonymous):
What is the surface area of a sphere with a 4 ft diameter (round to 1 decimal)?
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OpenStudy (anonymous):
8 ft
OpenStudy (anonymous):
The formula for surface area of a sphere is 4πr^2. Diameter=2r r=2 4 • π • 2^2 = 4π•4 =4(3.14)(4) =50.24ft =50.2 ft
OpenStudy (anonymous):
ft^2*
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