The area of a place with dimensions of 45 feet in length and 10 feet in width is 450 square feet. The area of a rectangular area is equal to the product of its length and width.
If the length of the room were to be raised, the breadth of the room would need to decrease such that the room’s square footage remains unchanged at 450 square feet. To occupy 450 square feet, a space with a length of only 25 feet must be 18 feet wide. In order to compute the square footage of circular, trapezoidal, and triangular spaces, several geometric formulas are required.