Euclid:Proposition/XII/2

Proposition

In the words of Euclid:

Circles are to one another as the squares on the diameters.

(The Elements: Book $\text{XII}$: Proposition $2$)

Sources

• 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 3 (2nd ed.) ... (previous) ... (next): Book $\text{XII}$. Propositions