Topic: Geometry
Triangles are classified by sides and angles.
| Type | Description |
|---|---|
| Equilateral | All sides and angles are equal. |
| Isosceles | Two sides and two angles are equal. |
| Scalene | All sides and angles are different. |
| Type | Description |
|---|---|
| Acute | All angles < 90° |
| Right | One angle = 90° |
| Obtuse | One angle > 90° |
Basic Mathematics