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Geometry Basic Vocab
| Question | Answer |
|---|---|
| Geometry | The study of properties and relationships of points, lines, planes and solids. |
| Point | Indicates place or position MUST BE IN CAPITAL LETTERS! |
| Line | Set of points extending in both directions |
| Line Segment | A set of points consisting of 2 points on a line called endpoints and all the points between these endpoints. |
| Congruent Segments | Segments that have the same length |
| Midpoint | The point of a segment that divides a segment into two congruent segments. |
| Bisector of a Line Segment | Any line or subset of a line that intersects the segment at the midpoint. CUT IN HALF! |
| Ray | Consists of an endpoint and all the points on that side |
| Opposite Rays | Two rays of the same line that share the same and point and no other point. |
| Angle | A union of 2 rays with one common endpoint |
| Straight Angle | An angle that measures 180 degrees |
| Obtuse angle | An angle that is greater than 90 degrees ` |
| Acute angle | An angle that is les than 90 degrees |
| Right angle | An angle that is 90 degrees |
| Complementary angle | 2 angles whose sum is 90 degrees |
| Supplementary angle | 2 angles whose sum is 180 degrees |
| Angle bisector | A ray whose endpoint is the vertex of the angle and that divides that angle into 2 congruent angles |
| Collinear | A set of points that are on the same line |
| Betweeness | B is between A and C if A,B,C are collinear and AB+BC=AC |
| Absolute value | Distance from zero |
| Congruenr angles | angles that have the same measure |
Created by:
Naylor
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