SOLUTION: the length of the side of a square is 3meters less than the length of the side of another square. The difference of their areas is 117 square meters. find the length of a side of e

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Question 90213: the length of the side of a square is 3meters less than the length of the side of another square. The difference of their areas is 117 square meters. find the length of a side of each square.
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let s equal the smaller square ... (s+3)^2-s^2=117 ... s^2+6s+9-s^2=117 ... 6s=108 ... s=18 ... s+3=21