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Area is always a positive number.
It represents the number of square units needed to cover a shape, such as a polygon or a circle. We generally use formulas to calculate areas. The area of a rectangle is equal to the product of the length of its base and the length of its height. The height is a segment that is perpendicular to the base. Using the formula, we multiply 4 feet times 6 feet, to get 24 square feet.