Proposition 7, Book XII, Euclid's Elements

This Demonstration dynamically illustrates Proposition 7, Book XII of Euclid's Elements.


  • [Snapshot]
  • [Snapshot]
  • [Snapshot]


Proposition 7, Book XII of Euclid's Elements states: Any prism which has a triangular base is divided into three pyramids equal to one another which have triangular bases [2]. ("Equal" means "have the same volume".)
[1] D. E. Joyce, "Euclid's Elements: Introduction."
[2] Euclid, Elements, T. L. Heath, trans., as The Thirteen Books of Euclid’s Elements, 2nd ed., Book 3, New York: Dover Publications, 1956 p. 394.
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.