The diameter of a cylindrical roller is 9.1 cm, and it is 2.8 m long. Find the area it will cover in 0 revolutions.
its height and radius,
square cm, men
The curved surface area of the cylinder is 121
The volume of a cylinder is 88 cm', and its height is 63 cm. Find the curved surface area and the total
surface area of the cylinder.
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Total surface area of cylindrical roller=2πr(r+h)
2×22/7×4.55(4.55+2.8)
28.6
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