10. Αd prop. XLVI. Ἄλλως.
γωνία. καί ἐστιν αὐτῆς διπλῆ ἡ ὑπὸ ΒΑΓ· ἡ ἄρα ὑπὸ τῶν ΒΑΓ γωνία δοθεῖσά ἐστιν· δέδοται ἄρα τὸ ΑΒΓ τρίγωνον τῷ εἴδει.
Data (demonstrationes alterae). Euclid. ed. Johan Ludvig Heiberg, ed. Heinrich Menge. United States. 2016.
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