Bibliotheca Polyglotta

Euclid: Elementa

Συνεστάτω γὰρ πρὸς τῇ ΑΒ εὐθείᾳ καὶ τῷ πρὸς αὐτῇ σημείῳ τῷ Α τῇ πρὸς τῷ Γ στερεᾷ γωνίᾳ ἴση ἡ περιεχομένη ὑπὸ τῶν ΒΑΘ, ΘΑΚ, ΚΑΒ, ὥστε ἴσην εἶναι τὴν μὲν ὑπὸ ΒΑΘ γωνίαν τῇ ὑπὸ ΕΓΖ, τὴν δὲ ὑπὸ ΒΑΚ τῇ ὑπὸ ΕΓΗ, τὴν δὲ ὑπὸ ΚΑΘ τῇ ὑπὸ ΗΓΖ:

eng

For on the straight line AB and at the point A on it let the solid angle, contained by the angles BAH, HAK, KAB, be constructed equal to the solid angle at C, so that the angle BAH is equal to the angle ECF, the angle BAK equal to the angle ECG, and the angle KAH to the angle GCF;

lat Sic

Constituatur enim ad AB rectam et eum qui ad ipsam punctum A ei qui ad punctum G solido angulo equalis contentus sub BAT, TAK, KAB. Quare equalem esse angulum quidem qui sub BAT ei qui sub EGZ, eum vero qui sub BAK ei qui sub EGI, eum autem qui sub KAT ei qui sub IGZ.

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