SOLUTION: If the radius of one sphere if 6 times longer than the radius of a second sphere, how many times bigger is the surface area of the larger sphere?

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Question 1031537: If the radius of one sphere if 6 times longer than the radius of a second sphere, how many times bigger is the surface area of the larger sphere?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If the radius of one sphere if 6 times longer than the radius of a second sphere, how many times bigger is the surface area of the larger sphere?
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6 times longer = 7 times as long.
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SA is a function of the square of the radius.
--> 7^2 = 49 times the surface area.
49 times as big --> 48 times bigger.