Person — Pitagora. Featured in chapters 08 · 14 · 15 Linked atoms 5 linked atoms. 08 Fondamenti di geometria euclidea Congruence criteria for right triangles The rhombus and the perpendicular diagonals 14 Equivalenza e teorema di Pitagora Pythagoras and the discovery of the irrationals Pythagoras’ theorem 15 Similitudine Euclid’s first theorem