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MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd

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226 Index<br />

ture 157<br />

Fermat’s Principle of Least Time 157<br />

Fermat-Torricelli Problem 35, 158-<br />

159<br />

Feynman, Richard P. 109<br />

Fibonacci numbers 67, 69, 153<br />

Fibonacci sequence 67, 70<br />

Fibonacci Triangle 67-68<br />

Fields Medal 151<br />

fighters (triangular) 189<br />

figurate numbers 32<br />

Finite Semifields and Projective Planes<br />

180<br />

Fisher, Irving 97-99<br />

Flag of Israel 16<br />

flag (triangular) 193<br />

flammability diagram 86-87<br />

flammability region 86<br />

flexagon 108-109<br />

Flexagon Committee 109<br />

Flint, J. A. 81<br />

Flint, Michigan 151<br />

Florentine enigma 159<br />

flower (triangular) 23<br />

Fludd, Robert 9<br />

fly (triangular) 23<br />

Fontana, Niccolò (Tartaglia) 154, 120,<br />

183<br />

Foucault, Léon 158<br />

four elements 9-11, 24<br />

Four Squares Theorem 163<br />

Fourth Dynasty 2<br />

Four Triangle Sculpture 25<br />

fractal dimension 58<br />

Fraenkel, A. S. 123<br />

Freemasonry 20-21<br />

Free Will Theorem 169<br />

French Mathematical Olympiad 140<br />

Freudenthal, H. 15<br />

Friedman, Erich 44-45<br />

Frost, E. 15<br />

fullerenes 176<br />

Fuller, R. Buckminster 97-99, 176,<br />

186<br />

fundamental domain 67<br />

fundamental mode 101<br />

Fundamental Theorem of Algebra 164<br />

fundamental triangle 90<br />

Fundamenta Mathematica 175<br />

Fürst, Paul 100<br />

Galileo 157-158<br />

Gallery of Equilateral Triangles vi,<br />

26, 188-198<br />

Game of Life 169<br />

Gamesters of Triskelion 27<br />

game theory vi, 90<br />

game (triangular) 192<br />

Gardner, Martin vi, 43, 119, 169,<br />

179, 181-182, 187<br />

Gardner’s Gaffe 119-120<br />

Garfunkel-Bankoff inequality 53<br />

Gateway Arch 26-27<br />

Gaussian curvature 164<br />

Gauss, Karl Friedrich 50, 163, 167,<br />

185<br />

Gauss Plane 50, 164<br />

Gauss’ Theorem on Triangular Numbers<br />

50, 164<br />

Gazalé, M. J. 69<br />

geese (triangular) 189<br />

gem (triangular) 191<br />

General Theory of Relativity 84, 167,<br />

172<br />

generating parallelogram 61<br />

genetics vi, 90<br />

genotype 90<br />

geodesic dome 99, 176, 195<br />

geometric spiral 69<br />

Géométrie 156<br />

Geometrie der Zahlen 172<br />

Geometry v<br />

Gerbert of Aurillac v<br />

Gergonne point 39

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