the radius of a base of a right circular cylinder is 14 cm and height is 30 cm find the curved surface area of the cylinder
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= 2(pi)rh = 2(pi)14*30 = 2640 sq cm. If the radius of a cylinder is doubled keeping its lateral surface the same, then what is its height? The respective ratio of the curved surface area and the total surface area of a cylinder is 9: 16
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