The formula for the volume of a cylinder relies on the formula for the area of a circle.
The volume of a cylinder can be calculated using the formula:
\[ V = A \times h \]
where \( A \) is the area of the base (which is a circle), and \( h \) is the height of the cylinder. The area of a circle is given by the formula:
\[ A = \pi r^2 \]
So the volume of a cylinder is given by:
\[ V = \pi r^2 h \]