Answer
$A=s^2,$ where $s$ is the sidelength of the square
Work Step by Step
Let the area of a square be $A$ and the length of a side is $s$.
Area $=$ square of the length of a side.
The mathematical equation is
$A=s^2$.
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.