The volume of a sphere is numerically equal to its surface area.Find:
a.the radius of the sphere in meters.
b.the volume of the sphere in cubic mete.r
c.the ratio of the volumes of the upper and lower spherical segments formed by passing a plane 1 meter above the center of the sphere.

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2015-03-20T18:50:18+08:00

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-The radius of the sphere in meters is 3 meters.

-The volume of the sphere in cubic meters is 36 m³.

-The surface area of the sphere in square meters is 36 m².

Both are 36 but they are not exactly the same because one is surface area and is measured by square units while the other one is volume and is measured by cubic units. 

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