# Convex set

> A subset of Euclidean space such that a line drawn between any two points in the subset remains completely within the subset.[^1]

A subset of <Euclidean space> such that a line drawn between any two points in the subset remains completely within the subset.[^1]

- **Rectangles** and **ovals** are convex set
- **Stars** and **donuts** are not convex set

## Footnotes

[^1]: https://developers.google.com/machine-learning/glossary#convex_set