![]() Where P = perimeter of the rectangle and w = width of the rectangle.įAQs on Perimeter of a Rectangle What is Perimeter of Rectangle in Math? In the same way, if the perimeter and the width are known, the length can be calculated using the formula: Length(L) = P/2 - w.If the perimeter and the length of a rectangle are known, the width can be calculated using the formula: Width = P/2 - l, where l = length of the rectangle and w = width of the rectangle, and P = perimeter of the rectangle.In that case, we use the following formulas: There are other scenarios where the perimeter of a rectangle is known and the other dimensions are missing. Perimeter of a rectangle = 2(l + w) where 'l' is the length and 'w' is the width of the rectangle. We know that the formula used to calculate the perimeter of a rectangle is: Step 3: After solving the equation, the value of the perimeter is calculated.Step 2: The respective values of length and width are substituted in the formula.Step 1: To calculate the perimeter of a rectangle, the length and width should be known.The three steps listed below are helpful to find the perimeter. We can calculate the perimeter of a rectangle in three simple steps. How to Find the Perimeter of a Rectangle? The formula for the area of a rectangle is, Area of rectangle = length × width On the other hand, the area of a rectangle is the total space occupied by the rectangle and is expressed in square units like, cm 2, inches 2, and so on. The perimeter of a rectangle formula = 2(length + width). There is no direct relationship between the area and perimeter of rectangle because the perimeter of a rectangle is the total length of its boundary and is expressed in linear units like cm, inches, and so on. Relationship Between Area and Perimeter of a Rectangle However, in case of a square, all the sides are of equal length. The perimeter of rectangle formula is different from the perimeter of a square because only the opposite sides of a rectangle are equal.However, the perimeter of a square formula is expressed as, perimeter of a square = 4 × s where 's' is the side length. The perimeter of rectangle formula is expressed as Perimeter of rectangle = 2(l + w) where 'l' is the length and 'w' is the width.The perimeter of a rectangle formula is different from the formula for the perimeter of a square. Perimeter of Rectangle Formula vs Perimeter of Square Formula Therefore, the perimeter of the given rectangle is 48 m. Let us substitute the given values which means, P = 2(l + w) = 2(15 + 9) = 2 × 24 = 48 m. We know that the Perimeter of rectangle formula is expressed as, Perimeter of a rectangle = 2(l + w). Solution: Given, Length = 15 m Breadth (width) = 9 m. Therefore, the perimeter of the rectangle is 40 cm.Įxample 2: What is the perimeter of a rectangle with a length of 15 m and a breadth of 9 m? ![]() ![]() On substituting the values in the formula, we get, Perimeter of rectangle = 2(l + w) = 2(12 + 8) = 2 × 20 = 40 cm. It is given that the length (l) of the rectangle = 12 cm, and width (w) = 8 cm Solution: Let us find the perimeter of the given rectangle using the perimeter of rectangle formula, Perimeter of rectangle = 2(l + w). Examples using Perimeter of Rectangle FormulaĮxample 1: Find the perimeter of a rectangle whose sides are 12 cm and 8 cm. Let us use this formula in the following examples. Therefore, the Perimeter of a rectangle = 2(l + w). ![]() Total distance = l + w + l + w = 2l + 2w. Now, if we add the distance of all 4 sides of his farm, it will give us the perimeter. The larger side of this rectangular farm is named (l). He wants to know how much wire he would need to put a fence around his rectangular farm. Let us now understand this formula with an example. David wants to put a fence around his farm so that his sheep does not wander away. Let us understand this with the help of a simple example. The formula used to calculate the perimeter of a rectangle is, perimeter of a rectangle = 2(l + w), where 'l' is the length and 'w' is the width of the rectangle. ![]()
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