Question

37. A giraffe's enclosure in a zoo is a rectangle
with a length of 30 m and a breadth of
20 m. The zoo authorities want to construct
a wire fence around it.
Find the total cost of fencing it if the cost of
fencing material is Rs 20 per metre.​

Answer 1

Answer:

l=30m

b=20m

perimeter = 2(l+b)

2(30+20)

=2(50)

100m

cost of fencing 1m wire =20rs

cost of fencing100m wire= 100*20

=2000rs