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March 25, 2017

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The volume of a sphere is 4,000 m3. What is the surface area of the sphere to the nearest square meter?

  • geometry - ,

    V = (4/3)πr^3
    SA = 4πr^2

    (4/3)π r^3 = 4000
    r^3 = 3000/π
    r = (3000/π)^(1/3)

    SA = 4π(3000/π)^(2/3) = appr 1219 m^2

  • geometry - ,

    ffv

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