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math help

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ind the radius of a sphere with a surface area of 804 cm2

  • math help -

    804 = 4/3 pi r^3
    r = ∛(603/pi) ~= 5.77

  • math help -

    oops. I was thinking volume

    804 = 4 pi r^2
    r = √(201/pi) ~= 8.00

  • math help -

    4xpix8x8

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