- How to Locate the Centre of a Given Circle
- Problem 1: How to Locate the Centre of a Given Circle
- Drawing a Circle Through Three Non-Collinear Points
- Problem 1: Drawing a Circle Through Three Non-Collinear Points

- Circumscribe a Circle About a Given Triangle
- Constructing Circumcircle about an equilateral Triangle
- Problem 1: Circumscribe a Circle About a Given Triangle
- Inscribe a Circle in a Given Triangle
- Inscribe a Circle in Given equilateral Triangle
- Problem 1: Inscribe a Circle in a Given Triangle
- Problem-Circumscribe and Inscribe a Circle in Given Triangle
- Escribe a Circle to a Given Triangle
- Circumscribe a Square About a Given Circle
- Inscribe a Square in a Given Circle
- Problem-Circumscribe and inscribe a Square About Given Circle
- Circumscribe a Regular Hexagon About Circle
- Inscribe a Regular Hexagon in a Given Circle
- Problem - Circumscribe and Inscribe Regular Hexagon in Given Circle