# Geodaesia [Sp.] 9.4

Hero of Alexandria, Geodaesia [Sp.], Chapter 9. Ancient Greek.

Canonical: https://interlinea.aeterna-institute.org/library/greek/hero-of-alexandria/geodaesia-sp/9.4

Ἕτερον τρίγωνον ὀρθογώνιον, οὗ ἡ μὲν βάσις σχοινίων η ἤτοι οὐργυιῶν π, ἡ δὲ κάθετος ἡ πρὸς ὀρθὰς σχοινίων ϛ ἤγουν οὐργυιῶν ξ, ἡ δὲ ὑποτείνουσα σχοινίων ι ἤγουν οὐργυιῶν ρ· εὑρεῖν αὐτοῦ τὸ ἐμβαδόν. ποίησον οὕτως· ἐπὶ τῶν σχοινίων λαβὼν τὸ U+2220΄ τῆς βάσεως ἤγουν τὰ δ σχοινία πολλαπλασίασον ἐπὶ τὰ ϛ τῆς καθέτου οὕτως· δ΄ ϛ κδ· καὶ ἔστι τὸ ἐμβαδὸν τοῦ ὀρθογωνίου τριγώνου σχοινίων κδ. ὧν τὸ U+2220΄ ιβ· καὶ ἔστι γῆς μοδίων ιβ.

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Hero of Alexandria, Geodaesia [Sp.], ed. Johan Ludvig Heiberg. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
License: CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/). Source: https://thegreeklibrary.pages.lisn.upsaclay.fr/works/tlg0559.tlg015.local001/.