Total cost of fencing the park shown in Fig. 6.17 is Rs 55000. Find the cost of fencing per metre.
Perimeter of figure = Sum of all sides
= 150 + 100 + 120 + 180 + 270 + 280
= 1100 m
Total cost = Rs 55,000
Cost of fencing = 55,000 / 1100
= Rs 50