Professional paper

A Few Historical Proofs of the Pythagorean Theorem

Franka Miriam Brückler orcid.org/0000-0002-8410-0476

Abstract

In this paper, after a brief survey of the discovery of the Pythagorean theorem in ancient civilisations, we present eight historical proofs of this theorem in detail: the proofs of Euclid and Ptolemy, three
proofs by Thabit ibn Qurra, the proof attributed to Leonardo da Vinci, U.S. president James A. Garfield’s proof, and Albert Einstein’s boyhood proof.

Keywords

Pythagorean theorem, Pythagoreans, Euclid of Alexandria, Cla udius Ptolemy, Thabit ibn Qurra, Leonardo da Vinci, James A. Garfield, Al bert Einstein, history of geometry

Hrčak ID:

292251

URI

https://hrcak.srce.hr/292251

Publication date:

26.1.2023.

Article data in other languages: croatian

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