Points that lie on the same line are called collinear points. If there is no line on which all of the points lie, then they are noncollinear points. In Figure 3 , points M, A, and N are collinear, and points T, I, and C are noncollinear. Figure 3 Three collinear points and three noncollinear points.
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What are points on the same plane?
Points that lie on the same line are called collinear points. If there is no line on which all of the points lie, then they are noncollinear points. In Figure 3 , points M, A, and N are collinear, and points T, I, and C are noncollinear. Figure 3 Three collinear points and three noncollinear points.

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Points, Lines, and Planes - Cliffs Notes
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