SOLUTION: The perimeter of a square is x cm. Compose an algebraic expression for the area of the square. Find the value of this expression if x = 10.

Question 902926: The perimeter of a square is x cm. Compose an algebraic expression for the area of the square. Find the value of this expression if x = 10.
Answer by Stitch(470) (Show Source): You can put this solution on YOUR website!
By definition a square has four equal sides.
The Perimeter of a square is the addition of the four sides.
The length of one side of the square would then be
The area of a rectangle (or square) is given by A = L x W
Where L is the length of the rectangle and W is the width
For the square:
Which can be rewritten as
This was done by multiplying both numerators together. And multiplying both denominators together.
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If X = 10

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