Outcomes
        In this lesson you will 
        - Prove other relationships about arcs and angles. 
- Use the properties of arcs and angles developed to prove other relationships. 
- Do calculations based on the properties of arcs developed so far. 
By the end of this section you should be able to: 
        - Apply inductive reasoning to make conjectures in geometric situations. 
- Investigate, and make and prove conjectures associated with angle relationships in circles. 
- Write proofs using various axiomatic systems and assess the validity of deductive arguments. 
- Investigate, and make and prove conjectures associated with tangent properties of circles. 
- Apply properties of circles 
- Solve problems involving the equations and characteristics of circles and ellipses. 
- Develop and apply formulas for distance and midpoint.
Prerequisites
        To be successful in this lesson, it would be helpful to know the following: 
        
        - That vertically opposite angles are congruent. 
- The properties of an isosceles triangle. 
- How to write a Euclidean proof. 
- The properties of chords and angles developed so far. 
- How to calculate the area and circumference of a circle.