Map Colouring with Polydron
Tuesday, 14 February 2017 | Paul Stephenson
The 4 Colour Map Theorem says that you never need more than 4 colours to colour a map so that regions with the same colour don’t touch. You have to count the region round the edge because the theorem is really about a map drawn on a sphere. The theorem is shape-blind. It doesn’t matter what shape a region is. What matters are the regions it shares a border with.
To continue reading please click here to view and download the PDF.
Your article on our blog
Have you written an article that you would like us to post on our blog?
Is so then please send us your article for review.
2018 Trade Catalogue
Download or order a copy of our latest trade product catalogue.