Multi-colored triangles
Probability
Level
pending
What is the minimum number of colors you need to color the triangles in the following grid such that no two colors meet at a vertex?
2
3
4
5
6
7
8
None of these answers
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1 solution
You can do it with 6 like this:
And you can't do it fewer than six since you need six different colors for the triangles that meet at any given vertex.