Field Guide to Math in Humboldt
No. 19 School Maps & Four Color Maps
A group of volunteers is repainting the Alice Birney School's US state map. The map is being repainted with several colors, but it could be done with only four!
Four Color Map Theory Links http://gwydir.demon.co.uk/jo/games/puzzles/map.htm https://www.youtube.com/watch?v=ANY7X-_wpNs |
Source: https://calebstanford.com/2017/05/21/four-color-theorem/