Q:

What are coplanar points?

A:

Coplanar points are points that lie on the same geometric plane. By definition, three points define a plane, and for any three points, a plane exists that all three points lie on. Since a plane is infinite, the number of possible coplanar points for any plane is also infinite.

A plane is a two-dimensional surface, and any shape, such a polygon, a curve or a straight line, that can be drawn in two dimensions is made up of coplanar points. Points can lie in more than one plane at a time if those planes intersect. If two distinct planes do intersect, they intersect along a single straight line.


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