Holt Chapter 4: Triangle Congruence
Terms : Hide Images
| 229280675 | acute triangle | A triangle with three acute angles. An acute angle measures less than 90°. |  |
| 234481963 | auxiliary line | A line drawn in a figure to aid in a proof. |  |
| 234486365 | base of an isosceles triangle | The side opposite the vertex angle. |  |
| 229280676 | congruent polygons | Whose corresponding sides and angles are congruent. |  |
| 234495988 | corresponding sides | Sides that are in the same position in polygons with an equal number of sides. |  |
| 234486366 | equiangular triangle | A triangle with three congruent angles. |  |
| 229280677 | equilateral triangle | A triangle with three congruent sides. |  |
| 229280678 | exterior angle of a polygon | An angle formed by one side of a polygon and the extension of an adjacent side. |  |
| 234486367 | included angle | The angle formed by two adjacent sides of a polygon. |  |
| 234486368 | included side | The common side of two consecutive angles of a polygon. |  |
| 234490623 | interior angle | An angle formed by two sides of a polygon with a common vertex. |  |
| 229280679 | isosceles triangle | A triangle with at least two congruent sides. |  |
| 229280680 | obtuse triangle | A triangle with one obtuse angle. An obtuse angle measures more than 90°. |  |
| 229280681 | right triangle | A triangle with one right angle. |  |
| 229280682 | scalene triangle | A triangle with no congruent sides. |  |
