Question

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Find the cost of erecting a face around a square field whose area is 9 hectares if fencing costs ₹ 35 per metre.
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Answer 1

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Solution :—
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Area of the square field = (9 × 10000) m² = 90000 m².

Length of each side of the field = √90000m = 300m.

Perimeter of the field = 4 × side = 4 × 300 = 1200m.

If fencing costs is ₹ 35 per metre

•°• Total cost of fencing = ₹ (1200 × 35) = ₹ 42000.

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