SOLUTION: if each dimension of a rectangular prism is doubled, how is the surface area affected

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Question 413649: if each dimension of a rectangular prism is doubled, how is the surface area affected


Answer by rfadrogane(214) About Me  (Show Source):
You can put this solution on YOUR website!
if each dimension of a rectangular prism is doubled, how is the surface area affected.
Sol'n:
A=x^2, area is directly proportional to the square of the side
thus,
(A2/A1)= (2x/x)^2
A2=4A1
thus the area two is increases by 4 times or 400% --- answer