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प्रश्न
The curved surface are of a cylinder is 1760 cm2 and its base radius is 14 cm. The height of the cylinder is
विकल्प
10 cm
15 cm
20 cm
40 cm
उत्तर
20 cm
Curved surface area of the cylinder`= 2pi"rh"`
`=2xx22/7xx14xx"h"`
`=> "h" = 1760/88 "cm"`
`=> "h" = 20 "cm"`
Height, the height of the cylinder is 20 cm.
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