Sin título

Calculating Angles

1. Angles on a straight line add up to 180

2. Angles at a point add up to 360

3. Vertically opposite angles are equal

4. Angles in a right angle add up to 90

5. Angles in a triangle add up to 180

6. Angles in a quadrilateral add up to 360

   • eg a square has four right angles 4 x 90 = 360

7. Corresponding angle are equal

8. Alternate angles are equal

9. Interior angles add up to 180