Perimeter of rectangle as a Variable

Last updated at Dec. 16, 2024 by

A Rectangle has 4 sides

and opposite sides of a Rectangle are equal.

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Let AB = l & BC = b

 

So, CD = AB = l

  & AD = BC = b

Perimeter of rectangle as a Variable - Part 2

Thus,

  Perimeter = Sum of all sides

           = AB + BC + CD + AD

           = l + b + l + b

           = 2 l + 2b

           = 2( l + b)

 

So we can write,

Perimeter of rectangle = 2( l + b)

    where l is length and b is width of rectangle

   

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo