A circular plot has a radius of 56 m. A 7 m wide road runs on the inside of the plot around it. How to find the area of the road and the cost of paving the road at Rs.50 per sq m.
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area of road = total area of circle formed - inner circular plot
cost= RS. (50 x area of road)
area of road = total area of circle formed - inner circular plot
cost= RS. (50 x area of road)
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