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2021 Honduras National Mathematical Olympiad
Problem 1
Problem 1
Part of
2021 Honduras National Mathematical Olympiad
Problems
(1)
Honduran National MO (OHM) 2021 Intermediate Problem 1
Source: 2021 OHM Intermediate P1
11/21/2021
In a circle,
15
15
15
equally spaced points are drawn and arbitrary triangles are formed connecting
3
3
3
of these points. How many non-congruent triangles can be drawn?
combinatorics
Honduras