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Geometry Review
Geometry - Vocabulary Review
| Question | Answer |
|---|---|
| plane | A plane is a boundless surface in space. It has length, like a line; it also has width, but not thickness. |
| point | A point is a way to describe a specific location in space. It is drawn by placing a single dot at the location you want to specify, and denoted in text with a capital letter. |
| line | The infinite set of all points arrayed in a straight formation;has no thickness, it has only length. |
| poly | word-forming element meaning "many, much," |
| polygon | a closed plane figure that is formed by three or more segments called sides. |
| vertex | A point where two or more straight lines meet; a corner. |
| diagonal | A straight line inside a shape that goes from one corner to another (but not an edge). |
| supplementary angles | Two angles whose sum equals exactly 180 degrees. |
| complementary angles | Two angles whose sum equals exactly 90 degrees. |
| right triangle | A triangle with a right angle. |
| acute triangle | A triangle with three acute angles. |
| obtuse triangle | A triangle with one obtuse angle. |
| scalene triangle | A triangle with differnt side lengths; no sides are equal. |
| equilateral triangle | A triangle with all sides of equal length. |
| isosceles triangle | A triangle with two sides of equal length. |
| quadrilateral | A flat shape with four straight sides |
| parallelogram | A quadrilateral with two pairs of parallel sides. |
| parallel lines | Two lines on a plane that never meet; they're always the same distance apart. |
| straight angle | An angle whose measure is exactly 180 degrees. |
| congruent | Figures or solid shapes that have the same shape AND size. |
| vertical angles | A pair of opposite angles that are formed from two intersecting lines; vertical angles are congruent. |
Created by:
swinsoa
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