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

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) (Show Source): You can put this solution on YOUR website!
.

The ratio of increasing the area is   = 2.89,


and the percentage increase is   = 189%.

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