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Coplanar

Concept

Coplanar

Any set of three or more points that lie on the same plane are said to be coplanar.

In this illustration, and are all considered to be coplanar while does not lie on the same plane as the other points. However, since any three points can be used to define a plane, is still considered to be coplanar with other pairs of points. Therefore, there are sets of coplanar points on the graph.