Euclid:Proposition/I/41

Proposition

In the words of Euclid:

If a parallelogram have the same base with a triangle and be in the same parallels, the parallelogram is double of the triangle.

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


Sources

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