Question

the sides of a rectanglular park are in the rstio 4 : 5 . if its area is 1728m find length and breadth

Answer 1

the ratio are as follows 4:5=768:960

Answer 2

let the length and the breadth be 4 x and 5 x area of rectangle is equal to length into breadth
1728 m square is equal to 4 x into 5 x is equal to 20 x square
1728/20=x^2
_/89
which will be something like 9.1....
so length would be 36 metre approximately and breadth would be 45 metre approximately