Circle Relationships

Ryan Windle

Circles-Relationships of segments and angles in circles.


  • 1. Lengths of Segments formed by Intersecting Chords
  • 2. Circle Geometry - angles from a chord
  • 3. Construction of Tangents to a circle
  • 4. Circle Theorems : Several, all on one page!
  • 5. circle with two secants (practice)
  • 6. Segments of the Chord (Circle)
  • 7. circle with chord and perpendicular bisector
  • 8. Angle Properties of Tangents To Circles
  • 9. Tangents to a circle
  • 10. Circle With Inscribed Quadrilateral
  • 11. circle with inscribed angle
  • 12. Circle Basics Investigations
  • 13. Sphere (Volume + Surface)
  • 14. PI Derivation
  • 15. Arcs and Angles
  • 16. ACCESS - Congruent Inscribed Angles
  • 17. Circle Inscribed Angle
  • 18. Notes for Circle angle theorems
  • 19. Circle Geometry - Intersecting Chords
  • 20. Tangent-Chord Angles
  • 21. Lengths of Segments formed by Intersecting Secants
  • 22. Circles & Their line segments
  • 23. Pappos Theorem for points on a circle
  • 24. Congruent Chords and their Central Angles
  • 25. Area of a Circle - Wedge/Sector Demonstration

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Lengths of Segments formed by Intersecting Chords

Investigate the relationship between the pairs of segments formed by two intersecting chords.
– Catherine A Eagen

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