A road roller makes 200 rotations in covering 2200 m.find the radius of the roller
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a road roller cover 2200m in 200rotation
distance covered in 1 rotation = 11m
circumference of roller = 11m
circumference=2πr
2×22/7×r=11
r=11×7/2×22
r=1.75m
distance covered in 1 rotation = 11m
circumference of roller = 11m
circumference=2πr
2×22/7×r=11
r=11×7/2×22
r=1.75m
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