The radius of a cylinder is $7\ cm$. and its height is $10\ cm$. Find the curved surface area and volume of the cylinder, $( use\ \pi=\frac{22}{7})$.


Given:  The radius of a cylinder is $7\ cm$ and its height is $10\ cm$.

To do: To find the curved surface area and volume of the cylinder.

Solution:

As given 

Radius of cylinder $( r)=7\ cm$ 

Height $( h)=10\ cm$ 

Curved Surface Area of cylinder $=2\pi rh$

 $=2\times\frac{22}{7}\times7\times10$

$=440\ cm^2$

Volume $=\pi r^2h$

$=\frac{22}{7}\times7\times7\times10$

$=1540\ cm^3$

Thus, the surface area of the cylinder is $440\ cm^2$ and the volume of the cylinder is $1540\ cm^3$.

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Updated on: 10-Oct-2022

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