Geometry

Find the volume of a sphere whose surface area is 804 u2

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  1. recall some formulas:
    Volume of Sphere = (4/3)*pi*(r^3)
    Surface Area of Sphere = 4*pi*(r^2)

    since we do not know the value of radius, we get it from the surface area:
    804 = 4*pi*r^2
    now solve for r with your calculator~
    after solving r, plug in this value to the formula for volume~

    hope this helps~ :)

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