Click on the faces to color them. To change the color, click on the same region again.
. It is
graph with chromatic number 4.
The problem of
coloring a graph
arises in many practical areas such as pattern matching, sports scheduling, designing seating plans, exam timetabling, the scheduling of taxis, and solving Sudoku puzzles. Updated version using
Coloreando el mapa
Ignacio Larrosa Cañestro.
One of the 20 solutions
Problem 1 (Example 3.2 on page 124)
OsculatingCircle Point, Object - Forum Example
#59 'Cube', triangle and altitudes
calculus part 2