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A road roller takes 750 complete revolutions to move once over to level a road. Find the area of the road if the diameter of a road roller is 84 cm and lenght is 1m
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Answer:
Given:
⇒D=84 cm,l=1m
⇒r=42cm
⇒Area of road covered in 1 revolution =2πrl
=2×22/7 ×42×1=264/100 sq m
⇒Area of road covered in 750 revolution = 750×(264/100)
=1980 sq m
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