Proposition: Prop. 11.31: Parallelepipeds on Equal Bases and Same Height are Equal in Volume
(Proposition 31 from Book 11 of Euclid's “Elements”)
Parallelepiped solids which are on equal bases, and (have) the same height, are equal to one another.
Modern Formulation
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Table of Contents
Proofs: 1
Mentioned in:
Proofs: 1 2 3 4
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References
Adapted from (subject to copyright, with kind permission)
 Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BYSA 3.0 Sources:
 Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016