Interesting Stuff (Mostly Geometry)

Chip Rollinson, 25 oct. 2019


  • 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

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Lee Sallow's Triplets

Lee Sallow's new theorem about the pairs of triangles formed by the medians of a triangle. Featured in the December 2014 issue of Mathematics Magazine. Cool stuff! Move points A, B, and C around to adjust the original triangle.
– Chip Rollinson

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