[tex]\bf \begin{array}{llll}
\textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\\
----------\\
\textit{volume of a cylinder}\\\\
V=\pi r^2 h
\end{array}\qquad
\begin{cases}
r=radius\\
h=height
\end{cases}[/tex]
notice anything similar, for a cone and a cylinder, notice picture below, with the same exact "h" and "r"?
as in, their volume have the same numerator, but notice, the cone's is just a fraction of the cylinder's
