Question

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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 1

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Answer 2

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

Step-by-step explanation:

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