# SOLUTION: If the sides of a square are legnthened by 7 in.,the area becomes 121 in.^2. Find the legnth of a side of the original square. THANK YOU SO MUCH!

Algebra ->  -> SOLUTION: If the sides of a square are legnthened by 7 in.,the area becomes 121 in.^2. Find the legnth of a side of the original square. THANK YOU SO MUCH!      Log On

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 Click here to see ALL problems on Expressions-with-variables Question 63907This question is from textbook Algebra 1 : If the sides of a square are legnthened by 7 in.,the area becomes 121 in.^2. Find the legnth of a side of the original square. THANK YOU SO MUCH!This question is from textbook Algebra 1 Answer by tanimachatterjee(60)   (Show Source): You can put this solution on YOUR website! let the length of a side of the original sq. be 'a in.' now it's 'a+7 in ' area becomes (a+7)^2 in^2 or (a+7)^2 = 121 or a+7 = 11 [neglecting the -ve solun] or a = 11-7 =4 ans is 4 in