- Chapter 10 Geogebra Project
- Two Tangents to a Circle
- Inscribed Angles and Subtended Arcs
- Inscribed Angle Intercepting a Semicircle
- Tangent Meets Radius
- Explore Tangent Line-Chord Angles
- Exploring Congruent Chords
- Congruent Chords
- Chord Perpendicular to Radius
- Arcs Intersecting Chords
- Congruent Chords and their Central Angles - Large Font
- Angles Formed by Secants and Tangents
- Two Secants
- ACCESS - Secants and Tangents
- Intersecting Chords
