Ancient Greek
Column 12
Demetrius Laco, Demetrius Laco, De geometria 12
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καὶ τῶν ν τὸ τρίγω νον ἐπὶ τ ῆς Δ Ε καὶ αἱ βαι ΖΕ καὶ Δ Ζ ι η τὸν η τὴν τέτμη ται ὑπὸ τῆς ἀνίσου ΑΔ ἐπεὶ οὖν ἴση ἐστὶν ἡ Α Δ τῆι Α Ε καὶ κο ινὴ ἡ ΑΖ, δύο ἄρα δυσὶν ἴσαι αἵ τε ΑΔ καὶ ΑΖ καὶ αἱ ΑΖ καὶ ΑΕ καὶ βάσις ἡ ΔΖ τῆι ΕΖ· ἰσόπλευρον γὰρ συνεστάθη τρίγωνον· οὗ αἱ ΖΔ καὶ Ζ Ε ν