SOLUTION: if the perimeter of a square garden is 84 feet what is the area

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Question 800811: if the perimeter of a square garden is 84 feet what is the area
Found 2 solutions by algebrahouse.com, ortarico:
Answer by algebrahouse.com(1659) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter of a square
= 4s {one side multiplied by 4}

4s = 84 {set 4s equal to given perimeter, 84}
s = 21 {divided each side by 4}

Area of a square
= s² {area of a square is one side, squared}
= 21² {substituted side length, 21, into area formula}
= 441 {squared the 21}

Area of a square garden is 441 ft²

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Answer by ortarico(23) About Me  (Show Source):
You can put this solution on YOUR website!
4L = 84ft
L = 21ft
A = L^2
A = 21^2
Area = 441