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Puzzle of the Week #144 - Three Points on a Circle

March 29, 2018 Elliott Line
POTW 3 points on a circle.JPG

Three points on a circle are chosen at random, and a triangle is formed from those three points. What is the probability that the centre of the circle is inside the triangle?

← Puzzle of the Week #145 - Five Points on a CirclePuzzle of the Week #143 - Box Packing →

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