The total cost of fencing the park shown in the Figure is ₹55000. Find the cost of fencing per metre.

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Solution

The perimeter of ABCDEFA = Sum of its all sides

= AB + BC + CD + DE + EF + FA

= (150 + 100 + 120 + 180 + 270 + 280)m = 1100 m

Total cost of fencing the park = ₹ 55000 [given]

Now, cost of fencing per metre = $\frac{Total cost}{Perimeter} = \frac{55000}{1100} = ₹ 50$

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