Key learning points

1. Angles that meet at a point can be identified in diagrams.
2. Angles that make a straight line can be identified on a diagram.
3. Vertically opposite angles can be identified on a diagram.

Keywords

• Supplementary angles - Supplementary angles are a pair of angles that sum to 180°.

• Conjugate angles - Conjugate angles are a pair of angles that sum to 360°.

Common misconception