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Module 1 Vocabulary
Points, Lines, and Planes Vocabulary
| Term | Definition |
|---|---|
| Point | A location. It has no size or shape. |
| Line | Made up of points and has no thickness or width. It extends infinitely in both directions. |
| Plane | A flat surface made up of points that extends infinitely in all directions. |
| Collinear points | Points that are on the same line. |
| Coplanar points | Points that are on the same plane. |
| Noncollinear points | Points that do not lie on the same line. |
| Noncoplanar points | Points that do not lie in the same plane. |
| Line Segment | A measurable part of a line that consists of two points, called endpoints, and all of the points between them. |
| Midpoint | The point of a segment that is halfway between the endpoints of the segment. The "middle" of the segment. |
| Bisect | To cut into two parts of equal measure. |
| Congruent | Equal in measure. |
| Equidistant | Equal in distance. |
| Postulate | A statement that is accepted as true without proof. |
| Theorem | A statement or conjecture that can be proven true using undefined terms, definitions, and postulates. |