Question 417504
the area of a square is 45 more than the perimeter. find the length of a side :)
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area of a square = side^2
Perimeter of a square = 4*side
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Equation:
s^2 = 4s + 45
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s^2-4s-45 = 0
(s-9)(s+5) = 0
Positive solution:
side = 9 units
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Cheers,
Stan H.
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