Section 1.2. Points, Lines, and Planes. Definitions:. A point is a location. It has no size, represented by a small dot and named by a capital letter. Space is the set of all points.
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Points, Lines, and Planes
A point is a location. It has no size, represented by a small dot and named by a capital letter.
Space is the set of all points.
A line is a series of points that extends in two opposite directions without end. Named by: any TWO points or a lowercase letter.
Name the line:
Collinear points are points that lie on the same line.
A plane is a flat surface that has no thickness. It contains many lines and extends without end in all directions. You can name a plane by a single capital letter or THREE noncollinear points.
Two points or lines are coplanar if they lie in the same plane.
objects that lie on the same plane.
Are the following points coplanar?