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The formula for the perimeter of a rectangle is given below: Perimeter = length + length + width + width P = l + l + w + w Or, P = 2 ( l + w) Hence, the formula for the perimeter of a rectangle, P = 2 × (length + width) = 2 × (sum of adjacent sides)

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Solution: Using the perimeter of rectangle formula, let us find its perimeter. Given, length (l) = 15; width (w) = 13 mm Perimeter of rectangle = 2 (l + w). On substituting the values in the formula, we get, 2 (l + w) = 2 (15 + 13) = 2 × 28 =

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the