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Posted by on Thursday, February 28, 2013 at 12:00am.

The volume of a sphere is numerically equal to the surface area of the sphere. If this value is equal to N \pi, what is the value of N?

  • Geometry - , Thursday, February 28, 2013 at 12:07am

    4/3 pi r^3 = 4 pi r^2
    1/3 r = 1
    r = 2

    v = a = 36pi, so N = 36

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