Dissection of a Spherical Square into a Spherical Lune

This Demonstration shows a dissection of a spherical square into a spherical lune.


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


[1] P. Gerwien, "Zerschneidung jeder beliebigen Anzahl von gleichen geradlinigen Figuren in dieselben Stücke," Journal für die reine und angewandte Mathematik (Crelle's Journal), 10, 1833 pp. 228–234 and Taf. 3.
[2] Wikipedia. "Saccheri Quadrilateral." (May 4, 2017) en.wikipedia.org/wiki/Saccheri_quadrilateral.
[3] M. Pitici. "Non-Euclidean Dissections." (May 4, 2017) www.math.cornell.edu/~mec/GeometricDissections/4%20Non-Euclidean%20Dissections.html.
    • 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.