THE DIAMETER OF A ROAD ROLLER IS 140 CM AND ITS LENGTH IS 2.2m it takes 400 complete revolutions and to move once over to level the road. The find the area of the road leveled in sqm
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Step-by-step explanation:
a road roller is a cylinder
therefore area covered under one revolution is equal to CSA (curved surface area)of the cylinder
and area covered under 400 revolutions is equal to 400 into CSAof the cylinder
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