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SUNDAY PUZZLE #67
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english Find at least two distinct geometric proofs that: √ab ≤ (a+b)/2
francais Donne au moins deux démonstrations géométriques distinctes qui prouvent que: √ab ≤ (a + b)/2
italiano Trova almeno due diverse dimostrazioni geometriche che provino: √ab ≤ (a + b)/2

Sunday puzzle

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Text and images by Gianni A. Sarcone 
Labels: SUNDAY PUZZLE, puzzles to solve, recreational mathematics, geometric mean, arithmetic mean
You can use the material shown on this page for educational purpose only as long as you credit us [© G. Sarcone, www.archimedes-lab.org] and link back to archimedes-lab.org
Creative Commons LicenseSunday Puzzle by Gianni A. Sarcone is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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