Proposition: Prop. 12.11: Volume of Cones or Cylinders of Same Height are in Same Ratio as Bases

Euclid's Formulation

Cones and cylinders having the same height are to one another as their bases.

fig11e

Modern Formulation

(not yet contributed)

Proofs: 1

Proofs: 1 2 3


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References

Adapted from (subject to copyright, with kind permission)

  1. Fitzpatrick, Richard: Euclid's "Elements of Geometry"

Adapted from CC BY-SA 3.0 Sources:

  1. Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016