__Chapter 10 - Properties of Circles__

## Answers to section worksheets for the chapter

## Section 10.1 - Properties of Tangents

Definitions and some properties of tangent lines. (6:53)

Geogebra sketch for the tangent perpendicular to the radius at the point of tangency.

Geogebra sketch for the tangent perpendicular to the radius at the point of tangency.

## Section 10.2 - Arc Measures

Video notes. (11:55)

## Section 10.3 - Properties of Chords

## Section 10.4 - Inscribed Angles and Polygons

## Section 10.5 - Other Angle Relationships in Circles

## Answers to Review 10.1 - 10.5

## Section 10.6 - Segment Lengths in Circles

Open this sketch from Geogebra. Follow the directions in notice 1. Click on the check box #2 to see more detail, Click on the check box #3, brace yourself to have your mind blown away, then get more.

**Make conjectures about the relationships between the lengths of the segments when they intersect inside and outside of the circle.**## Section 10.7 - Equation of a Circle

Video Notes (8:22)