A road roller takes 100 complete revolutions to move once over to
level a road. Find the area of the road if the diameter of the road
roller is 140 cm and length 2 m.
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Answer:
Area of road =1000× area covered in 1 revoluation
=1000× lateral surface area of cylinder
=1000×2πrh
= 1000 x 2 x 22/7 x 0.7 x 2
= 8800 m^2
Step-by-step explanation:
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