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MYSTERIES OF THE EQUILATERAL TRIANGLE - HIKARI Ltd

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236 Index<br />

Tartaglian Measuring Puzzles 120-<br />

121<br />

tattvas 5<br />

Tatzenkreuz 20<br />

Technical University of Berlin 169<br />

Technical University of Braunschweig<br />

125<br />

Technische Hochschule (Graz) 175<br />

telegraph 164<br />

Telesto 83<br />

Tenebrae 9<br />

Tercentenary Euler Celebration 162<br />

ternary diagram 33-34, 88, 90, 121<br />

Terra 9<br />

tertiary color 86<br />

tessellations to fractals 62-63<br />

Tethys 83<br />

tetracaidecadeltahedron 15<br />

Tetragrammaton 10<br />

tetrahedral geodesics 64-65<br />

tetrahedron 9, 11, 15, 117<br />

tetraktys 9-10<br />

Tetris 178<br />

TeX 180<br />

Thales 149<br />

Theaetetus 149-150<br />

Theobald, Gavin 107<br />

Theodorus 149<br />

Theorema Egregium 164<br />

Theoria motus corporum coelestium<br />

164<br />

Theory of Forms 149-150<br />

Thirty Years’ War 156<br />

three-body problem 83, 163<br />

three jug problem 120-121, 154<br />

Three Pagodas 6-7<br />

Thurston model 75<br />

Timaeus 11, 150<br />

Torricelli, Evangelista 35, 157-158,<br />

184<br />

Torricelli’s Equation 158<br />

Torricelli’s Law / Theorem 158<br />

Torricelli’s Trumpet (Gabriel’s Horn)<br />

158<br />

torsional rigidity 100<br />

Traffic Jam Game 123<br />

Traité du triangle arithmétique 58,<br />

159<br />

Trattato della Pittura 153<br />

Trattato generale di numeri e misure<br />

154<br />

Travolta, John 24<br />

Treatise on Electricity and Magnetism<br />

168-169<br />

triangle 9<br />

Triangle and Square Puzzle 105<br />

Triangle Book 180<br />

triangle geometry v<br />

Triangle Inequality 52<br />

triangle in rectangle 41<br />

triangle in square 41-42<br />

triangles with integer sides 122-123<br />

Triangle-to-Triangle Dissection 106<br />

Triangle Waist Co. 198<br />

triangular<br />

bounds 100-101<br />

dipyramid 15<br />

honeycomb 125-126<br />

numbers 10, 32-33, 59<br />

triangulation triangles 38-39<br />

trihexaflexagon 108-109<br />

trilinear coordinates 33<br />

Triluminary 27-28<br />

Trinity 4, 18<br />

Trinity College, Cambridge 160, 173<br />

Tripurasundari 5<br />

trisection thru bisection 32<br />

Trojan asteroid 83<br />

truncated<br />

cube 13<br />

dodecahedron 13<br />

octahedron 13<br />

tetrahedron 13<br />

Tschirnhaus, E. W. von 159

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