nLab pentagon decagon hexagon identity > pythagorean icosahedron

1 Φ Φ 1 A B Z Y C P Q R S O T α α α 90–α 1/(2Φ) Φ/2 1/2

Last revised on December 2, 2009 at 23:18:59. See the history of this page for a list of all contributions to it.