Category:Hypotrochoids

This category contains results about Hypotrochoids.
Definitions specific to this category can be found in Definitions/Hypotrochoids.

Let a circle $C_1$ roll around the inside of another (larger) circle $C_2$.

Consider a point $P$ on the line of a radius of $C_1$ at a distance $d$ from the center of $C_1$.

The curve traced out by $P$ is called an hypotrochoid.