Answers:
1. Apoint in geometry is a location. It has no size i.e. no width, no length and no depth. A point is shown by a dot. A line is defined as a line of points that extends infinitely in two directions. ... A plane is named by three points in the plane that are not on the same line.
2. Collinear Points Definition
In general we can say that points that are aligned in a line or a row. Consider a straight line in the above cartesian plane formed by x axis and y axis. The three points A (2, 4), B (4, 6) and C (6, 8)are lying on the same straight line L. These three points are said to be collinear points.
3.Non-collinear points are a set of points that do not lie on the same line. ... Points must lie on the same line to have collinearity.
4.Points or lines are said to be coplanar if they lie in the same plane. Example 1: The points P , Q , and R lie in the same plane A . They are coplanar .
5. Non-coplanar points: A group of points that don't all lie in the same plane are non-coplanar. In the above figure, points P, Q, X, and Y are non-coplanar.
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