1. Multiply the length of a rectangle by its width to find its area. For example, if a rectangle has a length of 7 feet and a width of 4 feet, its area is 28 square feet. 2. Divide
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The trivial and unambiguous correct answer is obviously arithmetic, as others have mentioned. K12 math teaching progresses in roughly the correct order of importance. It is college
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The definition of area in mathmatics is: the inside space of a shape or boundry. Formula= base x height F= B x H. In other words. the inside area of a shape.
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The answer varies from shape to shape but the basic formula is length X width
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