Bibliotheca Polyglotta

Euclid: Elementa

Τῶν ἴσων καὶ μίαν μιᾷ ἴσην ἐχόντων γωνίαν τριγώνων ἀντιπεπόνθασιν αἱ πλευραὶ αἱ περὶ τὰς ἴσας γωνίας: καὶ ὧν μίαν μιᾷ ἴσην ἐχόντων γωνίαν τριγώνων ἀντιπεπόνθασιν αἱ πλευραὶ αἱ περὶ τὰς ἴσας γωνίας, ἴσα ἐστὶν ἐκεῖνα.

eng

In equal triangles which have one angle equal to one angle the sides about the equal angles are reciprocally proportional; and those triangles which have one angle equal to one angle, and in which the sides about the equal angles are reciprocally proportional, are equal.

lat Sic

Equalium et unum uni equalem habentium angulum trigonorum contrarie patiuntur latera que circa equales angulos. Et quorum unum uni equalem habentium angulum trigonorum contrarie patiuntur latera que circa equales angulos, illa equalia sunt.

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