Mims Germann

Nancy Mims, 2017/01/17


  • 1. Explore - Chord Length
  • 2. Crossing Chords: Proof Hint
  • 3. Angle Formed by 2 Chords (II)
  • 4. Angle Formed by 2 Chords (I)
  • 5. ACCESS - Secants
  • 6. ACCESS - Secants and Tangents
  • 7. ACCESS - Secants 1
  • 8. ACCESS - Tangents and Angles
  • 9. Angle From 2 Secants (V2)
  • 10. Angles from Secants and Tangents (V1)
  • 11. tangent secant angle
  • 12. Secants: Proof Hint
  • 13. Secant Lines Intersecting a Circle - Arcs and Angles

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Explore - Chord Length

AB and CD are chords that intersect inside circle O. Drag A, B, C, and D to adjust the lines. The text shows the lengths of the segments and their products. How are the products of the segments of the chords related?
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