Chapter 12 Circles

Unit 12-1 | Unit 12-2 | Unit 12-3 | Unit 12-4 | Unit 12-5 | Unit 12-6 | Unit 12-7 |

Unit 12-5 Angle Relationships in Circles

**Standard 12i:**Find the measures of angles formed by lines that intersect circles.**Standard 12j:**Solve problems using angle measures formed by lines that intersect circles.

- Comparing Interior to Inscribed Angles
- Finding the value of Interior and Exterior Angles
**Assignment 12-5:**Pg. 835 #18, 19, 22-25, 27-30, 39, 42, 43 (for problems 29-30 50 degrees represents the measure of the angle not the arc)

- Powerpoint
- PDF Notes
- Additional Notes & Problems
- Solutions to Additional Problems
- Desmos

Unit 12-6 Segment Relationships in Circles

**Standard 12k:**Find the lengths of segments formed by lines that intersect circles.**Standard 12l:**Use the lengths of segments in circles to solve problems.

- Chords, Tangents, Secants, & Exterior Segments
- Product Relationship among Segments within Circles
**Assignment 12-6:**Pg. 844 #14, 16, 20, 21, 23-25, 33, 34, 39

Unit 12-7 Circles in the Coordinate Plane

**Standard 12m:**Write equations and graph circles in the coordinate plane.**Standard 12n:**Use the equation and graph of a circle to solve problems.

- Chords, Tangents, Secants, & Exterior Segments
- Product Relationship among Segments within Circles
**Assignment 12-7:**Pg. 850 #10-16 even, 20, 22-26, 34, 35