Key learning points

1. A protractor is used to draw angles.
2. A protractor is used to measure the size of angles.
3. A protractor measures angles in degrees.

Keywords

• Angle - An angle is a measure of turn. It is often displayed as the rotation between two line segments.

• Reflex angle - An angle that is greater than a straight line (i.e. greater than 180°) is a reflex angle.

Common misconception