Question

The sides of a rectangular field are in the ratio 9.7 and its perimeter is 144 metres. Find the sided

Answer 1

let the sides be l and b

l/b=9/7

let 9x

and b=7x

also

2(l+b)=144

l+b=72

therefore

9x+7x=72

16x=72

x=4.5

l=9x=9*4.5

=40.5

b=7x=7*4.5

=31.5

Hope this helps.