the radius a road roller 35 cm and it is long is 1m. if it takes 200 complete revolutions to level a a playground,find the cost of levelling the playground at the rate of ₹3per m^2
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the answer is 13,200 rupees...
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Radius of the roller (r) = 35 cm
Length of the roller (h) = 1 m =100 cm
Area of land covered by the roller in 1 revolution =
The roller takes 200 complete revolutions to move once on the playground.
∴ Area of the playground
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