Answer
$A = \frac{P^2}{16}$
Work Step by Step
Let the square side be x. Hence the perimeter P=4x, giving x=P/4, and the area A=x*x.
Hence $A = \frac{P^2}{16}$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.