# De mensuris 47.1

Hero of Alexandria, De mensuris, Chapter 47. Ancient Greek.

Canonical: https://interlinea.aeterna-institute.org/library/greek/hero-of-alexandria/de-mensuris/47.1

Καθολικὴ μέτρησις σφαίρας, οὗ ἡ βάσις ποδῶν κδ, ἡ δὲ κάθετος ποδῶν λϛ. λαμβάνω τὸ U+2220΄ τῆς βάσεως· ἐφʼ ἑαυτά τρισσάκις· ταῦτα ἐπὶ τὴν κάθετον· γίνονται πόδες α εφνβ· καὶ ἀπὸ τῆς καθέτου τῶν λϛ κύβον πρόσαγε· γίνονται πόδες ϛ βση· ταῦτα ἑνδεκάκις· γίνονται ξη μυριάδες δσπη· ταύτας τὰς ξη μυριάδας δσπη μέρισον παρὰ τὸν κᾱ· γίνονται γ μυριάδες βφπε ζ΄. τοσούτου μεῖζον τμῆμα σφαίρας.

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Hero of Alexandria, De mensuris, 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.tlg011.local001/.