Knowing the perimeter of a rectangle, how to find out the area?

Area and perimeter are the basic parameters of any geometric shape. The perimeter is the length of all borders of the rectangle. To determine the area of a rectangle with a known perimeter, you must perform the following steps: take a semi-perimeter; express one side through the other; make up an expression for the area. The area of a rectangle can be expressed as the product of its sides.



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