SOLUTION: If the sides of a square are increased by 3 in, the area is increased by 39 in. What were the dimensions of the original square?

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Let the original length of each side = x in. Then, original area = sq in.

Then, the final length of each side = (x + 3) in and final area = sq in.

Hence, the increment in area
= sq. in
= sq. in
This value is equal to 39 sq. in.

Hence,



Ans: Original length of the sides of the square were 5 inches.