| A | B |
|---|
| Angle that measures 90 Degrees | Right Angle |
| The unit that angles are measured by | Degrees |
| To seperate an angle into two congruent angles | Bisect |
| Two Angles that have the same measure | Congruent Angles |
| 2L + 2W | Perimeter of a rectangle |
| 180 Degrees | A suplementry angle |
| An endpoint where two rays meet forming an angle | vertex |
| Circumference of a circle | Pi times diameter |
| An angle that measures between 90-180 degrees | Obtuse angle |
| An angle that measures below 90 Degrees | Acute Angle |
| An angle that measures exactly 180 Degrees | Straight Angle |
