Perimeter of a square

Here is the formula to find the Perimeter of a Square...

Perimeter of a Square = 4 x (Length of a Side)

For example : Suppose the length of a side is 5 cm.

so the perimeter of a square = 4 x 5.

i.e., 20 cm.

Here is the program to calculate the Perimeter of a Square..

Enter the Length of a side
Perimeter of a Square is