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What are the lengths of a square poster that has sides 2 feet less than the sides of a square sign if the difference between their areas is 44 square feet?
Wiki User
∙ 13y ago
Let the sides of the squares be x and x+2:
(x+2)(x+2)-x2 = 44 square feet
x2+4x+4-x2 = 44
4x+4 = 44
4x = 44-4
4x = 40
x = 10
Length of the smaller poster = 10 feet
Check: 122-102 = 44 square feet
Wiki User
∙ 13y ago
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