SOLUTION: If the size of the square are lengthened by 5 cm, the area become 196 cm^2. find the length of a side of the original square

Question 419729: If the size of the square are lengthened by 5 cm, the area become 196 cm^2. find the length of a side of the original square

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If the size of the square are lengthened by 5 cm, the area become 196 cm^2. find the length of a side of the original square
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Original side: x
Original Area: x^2
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New side: x+5
New Area:(x+5)^2
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Equation:
(x+5)^2 = 196 cm^2
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x+5 = 14
x = 9 cm (side of original square)
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Cheers,
Stan H.
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