The perimeter of a parallelogram is 180 cm.One of it side is greater than the other by 30 cm. Find the length of its sides of the parallelogram.

let, the breadth be = x

let the length be = x + 30

the perimetre = 180

=)2 ( x + x+ 30 ) = 180

=) 2x + 2x+ 60 = 180

=) 4x = 180 - 60

=) 4x = 120

=) x = 120 / 4 = 30 .

So, the lenght is = length = 30 + 30 = 60.

= breadth = 30. Parallelogram has two parrellel sides so , the lenght of it's all sides are - : 60,60,30,30.