Question

The ratio of the breadth of a parallelogram to its length is 2:3. If its perimeter is 120 cm, find
the dimensions of the parallelogram.

Answer 1

Answer:

let the common multiple be x.

and breadth = 2x

then length (l)= 3x

We know that perimeter = 2(l+b)

120 = 2(2x+3x)

120 = 4x + 6x

120 = 10x

120/10 = x

12 = x

therefore, x = 12

breadth = 2x = 2*12 =24

length = 3x = 3*12 = 36