Tiling with Spherical Triangles of Area Pi
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This Demonstration shows a tiling of the sphere with triangles of area .
Contributed by: Izidor Hafner (March 2017)
Open content licensed under CC BY-NC-SA
 J. Brooks and J. Strantzen, "Spherical Triangles of Area π and Isosceles Tetrahedra," Mathematics Magazine, 78(4), 2005 pp. 311–314. doi:10.2307/30044179.
"Tiling with Spherical Triangles of Area Pi"
Wolfram Demonstrations Project
Published: March 22 2017