SOLUTION: The surface area of a sphere is directly proportional to the square of its radius.A sphere of radius 10cm must be increased to a radius of xcm if its surface area is to be doubled.

Question 1149003: The surface area of a sphere is directly proportional to the square of its radius.A sphere of radius 10cm must be increased to a radius of xcm if its surface area is to be doubled.find x.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The surface area of a sphere is directly proportional to the square of its radius.A sphere of radius 10cm must be increased to a radius of xcm if its surface area is to be doubled.find x.
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