a rectangular lawn 70m by 50m has two roads, each 5m wide, running thuough its middle, one parallel to its length and the other parallel to its breadth find the cost of constructing the road at ₹ 120 per m square
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Area of the road parallel to the length= 70m×5m= 350m^2
Area of the road parallel to the breadth= 50m×5m=250m^2
Area of the portion of the road overlapping= 5m×5m=25m^2
Total area of the road= (350m^2 + 250m^2)- 25m^2 = 575m^2
Cost of construction= 120×575= Rs. 69,000
Area of the road parallel to the breadth= 50m×5m=250m^2
Area of the portion of the road overlapping= 5m×5m=25m^2
Total area of the road= (350m^2 + 250m^2)- 25m^2 = 575m^2
Cost of construction= 120×575= Rs. 69,000
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