Definition:Cylinder/Similar Cylinders

Definition
Let $h_1$ and $h_2$ be the heights of two cylinders.

Let $d_1$ and $d_2$ be the diameters of the bases of the two cylinders.

Then the two cylinders are similar :


 * $\dfrac {h_1} {h_2} = \dfrac {d_1} {d_2}$