Dynamic Geometry

Dave Van Leeuwen


  • 1. Cardioid by chords
  • 2. Golden Arches: Parabolas?
  • 3. Central and Inscribed Angles
  • 4. Quadrilaterals and their Properties (phase 1)
  • 5. Mini Spirograph
  • 6. Regular polygons and pi
  • 7. Using polynomials to graph a circle
  • 8. Ellipses a different way
  • 9. Constructing limacon and cardiod.
  • 10. General quadratic parabola
  • 11. Glide Reflection is not a rotation!
  • 12. Inscribed angle is half of its central angle

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Cardioid by chords
– Dave Van Leeuwen

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