How to find the volume of a cylinder?

A cylinder is a geometric body consisting of two bases and a side surface.

The area of a cylinder can be determined in two ways.

In the first case, it is necessary to multiply the area of the base of the cylinder by its height.

In the second case, we multiply the number pi, equal to 3.1415, by the radius of the base of the cylinder squared and by the height of the cylinder.

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