If the shape is a rectangle (or square), then Perimeter = 2*(Length + Breadth)
So Breadth = Perimeter/2 - Length
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Well, isn't that just a happy little problem to solve! To find the area of a rectangle, you multiply the length by the breadth. And to find the length, you can use the formula: length = (perimeter - 2 * breadth) / 2. Just remember, there are no mistakes, only happy accidents in math!
Perimeter equals to 2 times the length plus 2 times the breadth. Area equals to length multiply by breadth
l = Length W = breadth or width perimeter = 2 x (L+W) = 2L + 2W
Example: To find the perimeter of a rectangular box, with length as 6cm and Breadth as 4 cm, we need to use the formula, Perimeter of a Rectangle = 2 (L+B) = 2 ( 6 cm + 4 cm) = 2 × 10 cm = 20cm.
width = (perimeter-2*length)/2