A rectangular farm has to be fenced one long side, one short side and the diagonal. If the cost of fencing is Rs.10 per meter. The area of farm is 1200 m2 and the short side is 30 m long. How much would the job cost?
Rs.700
Rs.1200
Rs.1400
Rs.1500
Explanation:
l $\times$ 30 = 1200 $\rightarrow$ l = 40
$\sqrt{40^2+30^2}$ = 50
40 + 30 + 50 = 120
120 $\times$ 10 = 1200