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DemiMath
Definitions
| Question | Answer |
|---|---|
| Geometry | Real life application of mathematic (Geo-Earth and Metron-Measurements) |
| Point | No size or shape, describes a location, named by a capital letter, and represented by a dot |
| Line | Made up of points that extend infinitely on opposite directions |
| Plane | 2 dimension (made up of points & lines) |
| Space | 3D Dimension |
| Collinear | Points on the same line |
| Non-Collinear | Not on the same line |
| Segment | Parts of a line with 2 fixed endpoints All segments are part of a line |
| Rays | Part of a line with1 fixed end point and extents in one direction |
| Ruler Postulate | Maps Real numbers onto a line Lets us find the distance between 2 pts |
| Segment Addition Postulate | If B is between A&C then |
| Congruent | Same size and shape |
| Midpoint Segment | A point divides a segment into 2 congruent parts |
| Bisector of a Segment | Line can bisect a segment Ray and Plane can bisect a segment A line, ray, segment, or plane that intersects a segment at it's midpoints |
| Angle | 2 rays with a common endpoint |
| Two Rays | Sides of the angle |
| Common endpoint | Vertex |
| 3 ways to name an angle | 1. Angle L 2. By a number 3. By 3pts |
| Acute angle | An angle that is less than 90 degrees |
| Right angle | An angle that is 90 degrees |
| Obtuse angle | Greater than 90 degrees less than 180 degrees |
| Straight angle | 180 degrees (opposite rays form a straight line) |
| Angle Addition Postulates | Let me add adjacent angles together to get the larger angle. |
Created by:
DemiColon
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