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Angles&Polygons
MVMS MSM2 Angles and Polygons Vocab
| Question | Answer |
|---|---|
| acute angle | less than 90 degrees |
| obtuse angle | between 90 degrees and 180 degrees |
| right angle | exactly 90 degrees |
| straight angle | exactly 180 degrees |
| complementary angles | two angles that are 90 degrees |
| supplementary angles | two angles that are 180 degrees |
| vertical angles | opposite angles around a vertex *congruent |
| adjacent angles | two angles that share a common side "next to" |
| alternate interior angles | inside the parallel lines and opposite sides of the transversal *congruent |
| alternate exterior angles | outside the parallel lines and opposite sides of the transversal *congruent |
| corresponding angles | on the same side of the parallel lines and the transversal *congruent |
| triangle | 3 sided polygon |
| quadrilateral | 4 sided polygon |
| pentagon | 5 sided polygon |
| hexagon | 6 sided polygon |
| heptagon | 7 sided polygon |
| octagon | 8 sided polygon |
| nonagon | 9 sided polygon |
| decagon | 10 sided polygon |
| transversal line | a line that intersects two parallel lines |