Mathematical Whetstones - Books and PDF's
  • Mathematical Whetstones
  • ORDER NOW
  • About the Books
  • Teacher Insight Pages (TIPS)
  • Free Samples
  • Blog
  • About Authors
  • Credits

The Six Circles Theorem

1/16/2021

 
A book of puzzles collected by Ivan Moscovich includes the six circles theorem (first announced in 1974 by Evelyn, Money-Coutts, and Tyrell) as a remarkable fact, but no explanation is given. Diagrams and geometry software seem to confirm it, but no proof could be found in the accessible literature. It took months of thinking time and the pursuit of several ideas that led nowhere before the following proof materialised.
blog_23_six_circles_theorem.pdf
File Size: 198 kb
File Type: pdf
Download File

    Author

    Ed, Paul and Erin will touch on our favourite Whetstones, and even some things that didn't make it to a Whetstone. 

    Archives

    January 2021
    September 2020
    November 2019
    October 2019
    August 2019
    July 2019
    July 2015

    Categories

    All

    RSS Feed

Proudly powered by Weebly