Answer: Hence the dimensions are 56 ft and 40 ft.
Explanation:
Alright, lets get started.
The ratio of sides of rectangle is given as 7:5.
It means, the length of rectangle is :

It means, the width of rectangle is :

So the perimeter of rectangle will be :

Plugging the value of sides length and width,
the perimeter of rectangle will be :

the perimeter of rectangle will be :

the perimeter of rectangle will be :

As per question, the given perimeter is 192, so

Dividing 24 in both sides,


Hence the length of rectangle will be :

Hence the width of rectangle will be :

Hence the dimensions are 56 ft and 40 ft. : Answer
Hope it will help :)