Question

a rectangular field has length =160m and breadth =120m. Find:

(i) the perimeter of the field

(ii) the length of fence required to enclose

(iii) the cost of fencing the field at the rate of ₹80 per metre​

Answer 1

Step-by-step explanation:

(i) perimeter of the field =

$2(l + b) \\ 2(160 + 120) \\ = 2 \times 280 \\ = 560$

(ii) length of fence required =560 metre

(iii) cost of fencing at Rs. 80 per metre

$560 \times 80 \\ = 44800$

=Rs. 44800