OpenStax, Contemporary Mathematics §12.4 Navigating Graphs · Example 2 · Combinatorics · Graph theory

Navigating Graphs · Example 2

Find a coloring of the graph in the figure, which uses four colors or fewer. Use the resulting coloring as a guide to recolor the map in the figure. How many colors did you use? Does this support the conclusion of the Four-Color Theorem? If so, how?

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OpenStax, Contemporary Mathematics · §12.4 Navigating Graphs · Example 2

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