Pythagorean Theorem: Euclid's "Elements" - Book 1, Proposition 47

  / mathoma   Heath's translation of Euclid's "Elements" http://www.perseus.tufts.edu/hopper/t... Greek-English parallel text plus diagrams: https://archive.org/details/JL_Heiber... This series is part of a larger project, part of which covers geometry.