1. Introduction and substended angle of Circles

2. Perpendicularity of the Chords

3. Angles Subtended by an Arc

4. Concyclicity of Points

5. Construction of the Circle

6. Chords and Distances

7. Angles and Chords

8. PT1 Revision I - I’m Up and Down, and Round and Round

9. PT1 Revision II - I’m Up and Down, and Round and Round