SOLUTION: square poster has sides measuring 2ft less than the sides of a square sign. If the difference between their areas is 52 sq ft find the length of the sides of the poster & sign.
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Question 705076: square poster has sides measuring 2ft less than the sides of a square sign. If the difference between their areas is 52 sq ft find the length of the sides of the poster & sign.
Answer by CubeyThePenguin(3113) (Show Source): You can put this solution on YOUR website!
sign side length: x
poster side length: x-2
x^2 - (x-2)^2 = 52
x^2 - (x^2 - 4x + 4) = 52
4x - 4 = 52
4x = 56
x = 14
sign side length = 14 ft
poster side length = 12 ft
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