| A | B |
|---|
| acute | an angle less than 90 degrees |
| right | an angle measuring 90 degrees |
| straight | an angle measuring 180 degrees |
| adjacent | next to |
| complementary | angles that add to 90 degrees |
| supplementary | angles that add to 180 degrees |
| intersecting | crossing |
| perpendicular | 2 lines crossing to form 90 degree angles |
| obtuse | an angle measuring between 90 and 180 degrees |
| vertex | the point where 2 rays meet to form an angle |
| vertical | equal angles that are across from each other when 2 lines intersect |
| parallel | 2 lines that never intersect and are always the same distance apart |
| transversal | a line that cosses 2 parallel lines |
