SOLUTION: how long is the side of the square if its area is 3 times the area of a square whose side is 5 cm?

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Question 403243: how long is the side of the square if its area is 3 times the area of a square whose side is 5 cm?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Area = 3*25 = 75
s+=+sqrt%2875%29+=+5sqrt%283%29
s =~ 8.66 cm