By Deb Russell

A ray is part of a line. A ray will have one endpoint but will go on infinitely in one direction. A ray cannot be measured because it only has one endpoint. Perhaps this is the reason for the term 'ray of sunshine'.

Previous

- Lines and Line Segments
- A Ray
- Intersecting Lines or Segments
- Concurrent Lines or Line Segments
- Perpendicular Lines or Line Segments
- Parallel Lines or Line Segments
- Skew Lines or Line Segments

Explore Mathematics