Question

the cost of fencing a field of dimensions 20m by 40m at the rate of ₹10per m​

Answer 1

Answer:

Perimeter = 2×20×40

=800m²

Cost of fencing = 800 ×10

= ₹8000

hope it helps you!

Answer 2

Answer:

perimeter =20+20+40+40

=120m

cost for 1 m = 10 rs

cost for 120 m = 10* 120

1200 rs