Question

The perimeter of rectangular is 320m,it's sides are in the ratiocof 5:3then it's area is

Answer 1

ratio of rectangle's side is 5:3
now,
we suppose that the length of rectangle is
5x and width is 3x.
And the perimeter of rectangle is 320m
2(l+b)= 320
l+b=160
5x+3x=160
8x=160
x=20
let we put the value of x
length =5x
=5×20
=100m
width =3x
=3×20
=60m