Wednesday, September 8, 2010

27th British Mathematical Olympiad 1991 Problems

27th British Mathematical Olympiad 1991 Problems 1.  ABC is a triangle with ∠B = 90o and M the midpoint of AB. Show that sin ACM ≤ 1/3. 2.  Twelve dwarfs live in a forest. Some pairs of dwarfs are friends. Each has a

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