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Coplanar
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Concept

Coplanar

Any set of three or more points that lie on the same plane are said to be coplanar.
Coplanar and Non-coplanar Points
In this illustration, A, B, C, and D are all considered to be coplanar. In contrast, E does not lie on the same plane as the other points.
Coplanar and Non-coplanar Points
However, since any three points can be used to define a plane, E is still considered to be coplanar with other pairs of points. Therefore, there are seven sets of coplanar points on the graph.
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