SOLUTION: A square has a perimeter of 80 cm. What is the area of the square?

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Question 489543: A square has a perimeter of 80 cm. What is the area of the square?
Answer by dan_math(11) About Me  (Show Source):
You can put this solution on YOUR website!
Perimeter of a square with the sides equal x is 4x; also the value for it it's given as 80, so 4x = 80 , x=20
Area of a square is x*x or x^2. using the value for the side we calculated earlier , will have A = 20^2 = 400