Definition:Euclid's Definitions - Book II/1 - Containment of Rectangle

Definition

In the words of Euclid:

Any rectangular parallelogram is said to be contained by the two straight lines containing the right angle.

(The Elements: Book $\text{II}$: Definition $1$)

Sources

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