Euclid:Proposition/X/31

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Proposition

In the words of Euclid:

To find two medial straight lines commensurable in square only, containing a rational rectangle, and such that the square on the greater is greater than the square on the less by the square on a straight line commensurable in length with the greater.

(The Elements: Book $\text{X}$: Proposition $31$)


Sources