A road roller makes 200 rotations in 2200m. find the radius of the roller.
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Step-by-step explanation:
Roller make 200 rotation to cover a distance =2200 m
∴200× Circumference of wheel =2200
2x 22/7x radiusx200=2200
radius =2200*1/2*7/22*1/200
radius =7/4 =1.75
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