1. Inscribed Angles Section 10.3 Goal: To use inscribed angles to solve problems To use properties of inscribed polygons

2. Inscribed Angle An inscribed angle has its vertex on the circle and its sides contain chords of the circle. C A B

3. Theorem 10.8 C A B

4. Examples C A B C A C A B B

5. Theorem 10.10 B A C

6. Theorem 10.9 B A C D

7. Example A B C D

8. Vocabulary

9. Theorem 10.11 A quadrilateral can be inscribed in a circle if and only if its opposite angles are supplementary. F G D E C

10. Examples B A C F G D E C