Euclid:Proposition/II/4
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Proposition
In the words of Euclid:
- If a straight line be cut at random, the square on the whole is equal to the squares on the segments and twice the rectangle contained by the segments.
(The Elements: Book $\text{II}$: Proposition $4$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 1 (2nd ed.) ... (previous) ... (next): Book $\text{II}$. Propositions