# For a sphere of radius 10 cm, what would be the ratio of numerical value of surface area to numerical value of volume?

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For a sphere of radius 10 cm, what would be the ratio of numerical value of surface area to numerical value of volume?
posted Oct 7, 2014

it will be 3:10.

volume of sphere is (4/3)*π*r3
surface area of sphere is 4π*r2
Surface/Volume=3:r=3:10

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