From ProofWiki
Jump to navigation Jump to search


Collinear means sharing a common (straight) line.

Collinear Points

Three (or more) points are collinear if and only if there exists a straight line that passes through all the points.

Collinear Planes

A set of planes which share the same (straight) line are collinear.

Also known as

The word collinear can also be presented as co-linear or colinear.

Also see

  • Results about collinearity can be found here.