Answer :
Diameter =0.9 m ∴r=0.45 m
Height =1.8 m
Number of rotations = 500
Area of the ground pressed by the roller in one rotation = curved surface area of the roller.
= 2
= 
=5.0868 m2
∴ Area of the ground pressed by the roller in 500 rotations.
= 
2
= 2543.4 m2
∴ Area of the ground pressed by the roller is 2543.4 m2
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