SOLUTION: if a cubes radius is tripled how are its volume and surface area affected?

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Question 280449: if a cubes radius is tripled how are its volume and surface area affected?
Answer by Alan3354(69443) About Me  (Show Source):
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if a cubes radius is tripled how are its volume and surface area affected?
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The volume is a function of the cube (3rd power) of the sides, so the Volume is 27 times the original.
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Surface area is a function of the 2nd power, so it's 9 times.