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  1. Pythagoras - Wikipedia

    Pythagoras of Samos[a] (Ancient Greek: Πυθαγόρας; c. 570 – c. 495 BC) [b] was an ancient Ionian Greek philosopher, polymath, and the eponymous founder of Pythagoreanism. His …

  2. Pythagorean Theorem Calculator

    Pythagorean Theorem calculator to find out the unknown length of a right triangle. It can provide the calculation steps, area, perimeter, height, and angles.

  3. Pythagorean theorem | Definition & History | Britannica

    Jan 2, 2026 · Pythagorean theorem, geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse. Although the theorem has long been …

  4. Pythagoras - Stanford Encyclopedia of Philosophy

    Feb 23, 2005 · –––, Vie de Pythagore, Lettre à Marcella, E. des Places (ed.), Paris: Les Belles Lettres, 2003 (Greek text with French Translation). Proclus, A Commentary on the First Book …

  5. Pythagoras - 490 BC) - Biography - MacTutor History of …

    Pythagoras was a Greek philosopher who made important developments in mathematics, astronomy, and the theory of music. The theorem now known as Pythagoras's theorem was …

  6. Pythagorean Theorem - Math is Fun

    Pythagoras. Over 2000 years ago there was an amazing discovery about triangles: When a triangle has a right angle (90°) ...

  7. Pythagoras - World History Encyclopedia

    May 23, 2019 · Pythagoras (l.c. 571 to c. 497 BCE) was a Greek philosopher whose teachings emphasized the immortality and transmigration of the soul (reincarnation), virtuous, humane …

  8. Pythagoras and the Pythagoreans - Hanover College

    Archytas: Hartenstein, de Archyt. Tar. fragm. Lips, 1833; Gruppe, Die Fragm. d. Archyt. Berlin 1840; Petersen, Zeitschr. f. Altertumsk. 1836; Chaignet, Pythagore, 1873, pp. 101, 255.

  9. Pythagoras | Encyclopedia.com

    Jun 8, 2018 · Constantinos Macris's "Pythagore, un ma î tre de sagesse charismatique de la fin de la p é riode archa ï que," in Carisma profetico: Fattore di innovazione religiosa, edited by …

  10. Pythagorean theorem - Wikipedia

    In mathematics, the Pythagorean theorem or Pythagoras's theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle. It states that the area of the …