Question

A cylinder has a diameter 14 m and the area of its curved surface is 220 sq. m Then the height of the cylinder is​

Answer 1

Answer:

$diameter = 14m \\ radius = \frac{14}{2} = 7m \\ \\ curved \: surface \: area \: = 220 {cm}^{2} \\ \\ hieght \: (h) = \frac{surface \: area \: }{2 \frac{22}{7} } \\ \frac{220 \times 7}{2 \times 22 \times 7} cm \: = 5cm \: \\ \\ volume \: \: \frac{22}{7} {r}^{2} h = \frac{22}{7} \times 7 \times 7 \times 5 {cm}^{3} \\ = 770cm$

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