MathDB

1

Part of 2020 Puerto Rico Team Selection Test

Problems(1)

max hexagon by 10,000 equilaterals Puerto Rico TST 2020.1

Source:

9/22/2021
We have 10,00010,000 identical equilateral triangles. Consider the largest regular hexagon that can be formed with these triangles without overlapping. How many triangles will not be used?
combinatorial geometrycombinatoricsequilateralshexagon