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Properties
Properties of Lines and Angles
| Question | Answer |
|---|---|
| Indicates a location. It has no size. Name it by a capital letter. | Point |
| It's a series of points that extend in two opposite directions without end. Name it by any two points or by a lowercase letter. | Line |
| Part of a line with two endpoints and all the points in between. Name it by its endpoints | Segment |
| Lines that have exactly one point in common. | Intersecting |
| Lines that never intersect. | Parallel |
| Lines that intersect to form a 90 degree angle. | Perpendicular |
| Between 0 and 90 degrees | Acute |
| 90 degrees | Right |
| Between 90 and 180 degrees | Obtuse |
| 180 degrees | Straight |
| Names of angles spell | SOAR |
| What angles are two angles whose sum is 180 degrees. | Supplementary |
| What angles are two angles whose sum is 90 degrees. | Complementary |
| What angles are angles that share a common vertex and side. | Adjacent |
| _________ angles are formed by two intersecting lines. They are ____________ each other. The measures of vertical angles are __________________________. | Vertical, opposite, the same or congruent. |
Created by:
IsabelleC
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