Collinear points lie on the same line. If points are collinear, they are also coplanar.

Can 3 points be coplanar and not collinear?

Collinear points are points that lie on a line. Any two points are always collinear because you can always connect them with a straight line. Three or more points can be collinear, but they don't have to be. ... Any two or three points are always coplanar.

Is collinear and coplanar the same?

Collinear points lie on a single straight line. ... Coplanar points lie on a single plane.