Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Interesting Stuff (Mostly Geometry)
    1. Lee Sallow's Triplets
    2. All triangles are isosceles - false assumptions
    3. Elegant Geometry Proof
    4. Rotating Equilateral Triangle
    5. Dancing Points on Regular Polygons
    6. Out of Phase Orbits
    7. ptolemy's theorems

Interesting Stuff (Mostly Geometry)

Author:Chip Rollinson
Topic:Geometry

  • Lee Sallow's Triplets

  • All triangles are isosceles - false assumptions

  • Elegant Geometry Proof

  • Rotating Equilateral Triangle

  • Dancing Points on Regular Polygons

  • Out of Phase Orbits

  • ptolemy's theorems

Next
Lee Sallow's Triplets

New Resources

  • The Gardener's Circle
  • seo tool
  • Classifying Triangles
  • Sum of Squares: Proof without Words
  • Parallelogram Anatomy

Discover Resources

  • Taylor Approximation
  • Geogebra project
  • VELOCIDAD Y ACELERACION ROTACIONAL - gabino franco
  • Robotic Disney Final
  • Graf Fungsi 1 : Linear & Kuadratik

Discover Topics

  • Frequency Distribution
  • Bar Chart or Bar Graph
  • Indefinite Integral
  • Solids or 3D Shapes
  • Matrices
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®