Geometry

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find the radius of a sphere withh the given property.

A.The number of square meters of a surface area equals the number of cubic meters of volume.
B. The ratio of surface area in square meters to volume in cubic meters is 1:5.

  • Geometry -

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

    next,
    4/3 pi r^3 = 5*4pi r^2
    1/3 r = 5
    r = 15

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