Perimeter of square as a variable

Last updated at July 14, 2026 by

Let's consider a square ABCD

20.jpg

A Square has 4 equal sides

Let side of square = a

So, AB = BC = CD = AD = a

 

Thus,

     Perimeter = Sum of sides

      = a + a + a + a

      = 4a 

 

So, we can write

Perimeter of square = 4a

       where a is the side of square

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