The cost of levelling a square lawn at rs.15 per square meter is rs. 19935. Find the cost of fencing the lawn at rs.22 per meter.
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Answer:
area of square lawn = Rs(19935÷15)
=1329m²
cost of square lawn with Rs22/m² = Rs(1329 × 22)
= Rs29238
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ᗩᘉSᘺᘿᖇ
₹15 = 1 m²
₹19935 = (19935/15) m²
Area of square = 1329 m²
Area of square = 1329 m²
Side of square = √1329 m
Side of square = 36.4 m
Perimeter of square = 4 × Side
Perimeter of square = 4 × 36.4
Perimeter of square = 145.6 m
Cost of fencing 1 m = ₹22
Cost of fencing 145.6 m = ₹(145.6 × 22)
Cost of fencing 145.6 m = ₹3203.2
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