SOLUTION: The radius of a sphere is increased by 10%. Find the percentage increase in its surface area
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Question 1126231: The radius of a sphere is increased by 10%. Find the percentage increase in its surface area
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The radius of a sphere is increased by 10%. Find the percentage increase in its surface area
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Area is a function of the square of the radius.
--> 1.1^2 = 1.21
-- 21% increase
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