Question

7. A rope of length 200 m was used to fence off a 50 m breadth of a
rectangular field. Find the length of the rectangular field?​

Answer 1

Answer:

34 m

Step-by-step explanation:

Let the length of the field be l

Given width of the field is 16 m

Given Cost of fencing per metre is 20

Total cost of fencing is 2000

⟹ Perimeter of rectangular field is

20

2000

=100 m

⟹2(l+16)=100

⟹l=50−16=34 m