Question

The side of a rectangular park are in the ratio 5:4 it s area is 8000 m sq .find the cost of fencing at ₹4perm

Answer 1

let 5:4 be 5x and 4x
ATP
5x*4x=8000
20x=8000
x=400
5×400=2000
4×400=1600
p=2{2000+1600}
7200
7200×4=28800