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Stack #127374
| Vocabulary | Answers |
|---|---|
| Straight angle | Measure 180 |
| right angle | Measures 90 |
| Supplementary angles | add up to 180 |
| Complementary angles | add up to 90 |
| Vertical Angles | Equal angles across a vertice. |
| Perpendicular lines | Cross at 90 degrees |
| Parallel lines | 2 lines that will never cross. |
| Acute angle | less than 90 |
| obtuse angle | between 90 and 180. |
| acute triangle | all less than 90 |
| right triangle | 1 equals 90 |
| Obtuse triangle | 1 measures 90 to 180 |
| Equilateral triangle | All angles are the same |
| Isoceles triangle | 2 angle are equal. |
| Scalene triangle | No angles are similar. |
| quadrilateral | four sides, four angles, not same measurements. |
| Trapezoid | One set of parallel sides, quad. |
| Parallelogram | 2 sets of parallel sides, quad. |
| rhombus | parallelogram with four equal sides |