| __ | 1. | Acute Angle | | A. | Angle whose measure is exactly 180 degrees. |
| __ | 2. | Complementary Angles | | B. | Angle whose measure is exactly 90 degrees. |
| __ | 3. | Full Angle | | C. | Angle whose measure is less than 90 degrees. |
| __ | 4. | Obtuse Angle | | D. | Angle whose measure is more than 90 but less than 180 degree |
| __ | 5. | Reflex Angle | | E. | Angle whose measure is Exactly 360 degrees. |
| __ | 6. | Right Angle | | F. | Angle whose measure is more than 180 degrees. |
| __ | 7. | Straight Angle | | G. | Two angles whose sum is 90 degrees. |
| __ | 8. | Supplementary Angles | | H. | Common endpoint in two rays. |
| __ | 9. | Vertex | | I. | Two angles whose sum is 180 degrees. |
| __ | 10. | Zero Angle | | J. | When both arms of an angle overlap and have 0 degrees. |