a cylindrical roller 2.5 in length 1.5 m and radius when rolls on a road was found to cover the area of 16500 square how many revolutions does it make
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Length of roller = 2.5 m
Radius of roller = 1.5 m
Area covered by roller = 16500 m²
we have to find revolution make by roller to cover this area
Curved Surface Area of roller
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