find tge expenditure if putting a wire around a 4hectare square field,if it costs ₹45 per metre
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4 hectares = 40,000 m²
so,
Area of a square = l²
40,000 = l²
l = √40000
l = 200m
now,
perimeter of square = 4×l
= 4 × 200
= 800m
cost of wiring = ₹45×800
= ₹36,000/-
so,
Area of a square = l²
40,000 = l²
l = √40000
l = 200m
now,
perimeter of square = 4×l
= 4 × 200
= 800m
cost of wiring = ₹45×800
= ₹36,000/-
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