A rectangular grassy lawn measuring 38m by 25m has been surrounded externally by a 2.5m wide path. calculate the cost of gravelling the path at the rate of 120 rupees per m square
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Answer:
Total cost of gravelling = 340*120 = Rs.
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Area of grassy lawn = 38×25m
2
=950m
2
The rectangle formed by the gravelled path plus grassy lawn has the size (38+2×2.5)×(25+2×2.5)m.
The area of this rectangle = 1290m
2
Area of gravelled path = 340m
2
Cost = 340×120Rs=Rs40,800
2
=950m
2
The rectangle formed by the gravelled path plus grassy lawn has the size (38+2×2.5)×(25+2×2.5)m.
The area of this rectangle = 1290m
2
Area of gravelled path = 340m
2
Cost = 340×120Rs=Rs40,800
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