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Math

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The formula for the volume of a sphere is
V=4 out of 3 pi r^3.
How is this formula written if the radius,r,is a function of the volume,V?

  • Math -

    V = (4/3)π r^3
    so you want to solve for r

    3V = 4π r^3
    r^3 = 3V/(4π)

    r = (3V/(4π))^(1/3)
    or cuberoot(3V/(4π))

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