Question

The side of a rectangular are in ratio 9 :7 and its perimeter is 144 .find the side

Answer 1

hey...
here's ur answer

let, length be 9x
let, breadth be 7x
if perimeter is 144
then,
2(9x+7x)=144
18x+14x=144
32x=144
x=144/32
x=4.5
so, length =9*4.5=40.5
breadth =7*4.5= 31.5