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MathNet 2026 — Part 08 Question 142

Math Olympiad Vault · MathNet 2026 — Part 08

Question 142

Mona has $12$ match sticks of length $1$, and she has to use them to make regular polygons, with each match being a side or a fraction of a side of a polygon, and no two matches overlapping or crossing each other. What is the smallest total area of the polygons Mona can make?