Euclid:Proposition/I/19

Proposition

In the words of Euclid:

In any triangle, the greater angle is subtended by the greater side.

(The Elements: Book $\text{I}$: Proposition $19$)

Sources

• 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 1 (2nd ed.) ... (previous) ... (next): Book $\text{I}$. Propositions