SOLUTION: When the length of each side of a square is increased by 7in.,its area is increased by 189 in.2.Find the length of the side of the original square.
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Question 1095760: When the length of each side of a square is increased by 7in.,its area is increased by 189 in.2.Find the length of the side of the original square.
Answer by greenestamps(13198) (Show Source): You can put this solution on YOUR website!
Re-stated: (x+7) squared is 189 more than x squared. So
The original square had side length 10.
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