Euclid:Proposition/XIII/7

Proposition

In the words of Euclid:

If three angles of an equilateral pentagon, taken either in order or not in order, be equal, the pentagon will be equiangular.

(The Elements: Book $\text{XIII}$: Proposition $7$)

Sources

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