Question

Base surface area of a cylnder is 20cm^2 and its height is 10 cm Find the volume of the cylinder

Answer 1

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Answer 2

SOLUTION :

The base surface area of a cylinder = 20 cm sq.     (given)

The height of the cylinder = 10 cm     (given)

To be found :-

The volume of the cylinder

The formula to find the volume of a cylinder = $\bf \pi r^{2}h$  unit sq.

[ ∴ in which r is the radius and h is the height of the cylinder ]

We know that,

The base of the cylinder is in circular shape

Here,

The base area of circle =  $\bf \pi r^{2}$  unit sq.

[ ∴ in which r is the radius circle ]

So,

$\bf \pi r^{2}$ unit sq. = 20 cm sq.   (given)

So,

Volume of the cylinder =  $\bf \pi r^{2}h$  unit sq.

                                      = 20 × 10 unit sq.

                                       = 200 cm sq.

Hence,

The volume of the cylinder is 200 cm sq.