The distance travelled by a road roller of radius r and length l in 20 rotations is
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Given:
The radius of Road roller = r
The length of road roller = l
The number of rotations = 20
To find:
The distance traveled by a road roller
Solution:
Circumference of circle = 2πr
Lateral surface area covered = 2πrl
The total area covered = 20( 2πrl )
= 40πrl
Hence, the distance traveled by a road roller is 40πrl.
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