Proposition: Prop. 10.069: Straight Line Commensurable with Side of Rational plus Medial Area
(Proposition 69 from Book 10 of Euclid's “Elements”)
A (straight line) commensurable (in length) with the square root of a rational plus a medial (area) is [itself also] the square root of a rational plus a medial (area) .
![fig066e](https://github.com/bookofproofs/bookofproofs.github.io/blob/main/_sources/_assets/images/euclid/Book10/fig066e.png?raw=true)
Modern Formulation
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Table of Contents
Proofs: 1
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References
Adapted from (subject to copyright, with kind permission)
- Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BY-SA 3.0 Sources:
- Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016