Question

find a cost of erecting a fence around a square field whose area is 9 hectares ,if fencing costs rupees 35 per meter .

Answer 1

fencing cost is 14000 rupees.

Answer 2

1 hectare=10000m^2
so 9 hectares =90000m^2
area=90000m^2
so side= rootunder90000=300m
perimeter =4×300=1200m
cost of one metere fencing =35rupees
hence cost of 1200m fencing =1200×35=42000rupees