| Angle type | Degrees | Example |
| Acute | 1° – 89° |  |
| Right | 90° |  |
| Obtuse | 91° – 179° |  |
| Straight | 180° |  |
| Full Rotation “Circle” | 360° |  |
Every triangle is made up of 180°, and every quadrilateral is made up of 360°.
| Angle type | Degrees | Example |
| Acute | 1° – 89° | |
| Right | 90° | |
| Obtuse | 91° – 179° | |
| Straight | 180° | |
| Full Rotation “Circle” | 360° | |
Every triangle is made up of 180°, and every quadrilateral is made up of 360°.