Question

4. A rectangular field is 40 m long and 20 m
wide. The cost of fencing the field is 8.50
per metre. What is the total cost of fencing
around the boundary of the field?
+7​

Answer 1

Answer:

perimeter -120cm

cost is rs 1020

Answer 2

Perimeter of field=2(l+b) = 2(40+20)=2×60=120m

Total cost of fencing boundary of field=₹(8.50×120)=₹1020