A square has all four sides equal in length. Its area is simply the side length squared. This is also why we call any number multiplied by itself "squaring" a number.
A = s²
🔤 Variables
A
Area (square units)The enclosed space of the square
s
Side lengthThe length of any one side (all sides are equal)
📝 Example
A square tile has a side of 5 cm. What is its area?