Answer:
16 square units.
Explanation:
In a square, the length and width are equal. If the length (or width) of the square is given as 4, then both the length and width are 4.The area of a square is calculated using the formula:
Area=side×side
In this case, the side length is 4:
Area=4×4=16
So, the area of the square is 16 square units.