SOLUTION: the area of a square is 77 more than the perimeter. Find the length of a side
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Question 861223: the area of a square is 77 more than the perimeter. Find the length of a side
Answer by ben720(159) (Show Source): You can put this solution on YOUR website!
Let s = side, = area, = perimeter
the area of a square is 77 more than the perimeter
s^2 is 77 more than 4s
Subtract 4s+77 from both sides
Use the quadratic formula
OR
OR
Because the length can't be negative, it's 11.
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