Geometry: The Basics of Lines and Sectors
By Deb Russell, About.com Guide
See More About:
Perpendicular lines or line segments intersect to form a right or 90 degree angle. See image.
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
©2012 About.com. All rights reserved.
A part of The New York Times Company.