The perimeter of any two-dimensional geometric shape is the distance covered around its edge. In this article, we will learn how to find the perimeter of a rectangle with formulas and examples. Our handy area and perimeter calculator will find the area and perimeter of a range of rectangles. The best feature is that it shows you all the working out, step-by-step. The perimeter of a rectangle is 24. Write the function that describes its area in terms of one of the sides. Answer: If one side is a, then the other side is 12− a, and the formula for the area is: A = a⋅ (12− a) The perimeter of a rectangle is given by the formula: P =2(length+width) Given the perimeter is 24 cm, we can express one side in terms of the other. Let the length be x cm. Then the width can be expressed in terms of x using the perimeter formula. Perimeter Formula: The perimeter of a rectangle is given by P = 2l+2w, where l is the length and w is the width. Simplifying the Equation: Given the perimeter, we can simplify the equation to find a relationship between length and width. The perimeter of rectangle is defined as the total distance of its outer boundary. Learn more about the perimeter of rectangle formula and how to calculate the perimeter of a rectangle. Additionally, check the FAQs on the perimeter of rectangle along with practice worksheets. The rectangle solver finds missing width, length, diagonal, area or perimeter of a rectangle. The calculator accepts all types of input values, including fractions and square roots, and provides step-by-step explanation.