SOLUTION: if the length of each edge of a cube is increased by 70%, then the percentage increase in the surface area of the cube is

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Question 1127046: if the length of each edge of a cube is increased by 70%, then the percentage increase in the surface area of the cube is
Answer by ikleyn(52787) About Me  (Show Source):
You can put this solution on YOUR website!
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The ratio of increasing the area is  1.7%5E2 = 2.89,


and the percentage increase is  %28%282.89-1%29%2F1%29%2A100 = 189%.