Polyhedra - Department of Mathematics
Polyhedra - Department of Mathematics
Polyhedra - Department of Mathematics
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Contents<br />
1. Introduction 2<br />
1.1. Basic Terms for Describing <strong>Polyhedra</strong> 2<br />
2. <strong>Polyhedra</strong> 3<br />
2.1. What is a Polyhedron? 3<br />
2.2. Convex <strong>Polyhedra</strong> 3<br />
2.2.1. The Platonic <strong>Polyhedra</strong> 3<br />
2.2. Duality <strong>of</strong> <strong>Polyhedra</strong> 4<br />
3. Inclusions <strong>of</strong> <strong>Polyhedra</strong> 6<br />
3.1. Nested Platonic Solids 8<br />
4. Compounds <strong>of</strong> <strong>Polyhedra</strong> 10<br />
4.1. Forming Compound by Observing Duality 10<br />
4.2. Forming Compound by Observing Inclusions 10<br />
4.3. Forming Compound by Observing Symmetry 11<br />
4.4. Transitivity 13<br />
5. Stellations <strong>of</strong> <strong>Polyhedra</strong> 16<br />
5.1. Edge-stellations 16<br />
5.2. Face-stellations 16<br />
5.3. Stellations <strong>of</strong> the Dodecahedron 17<br />
6. Deltahedra 19<br />
6.1. Pyramids 19<br />
6.2. Convex Deltahedra 19<br />
6.2.1. Classification 19<br />
6.3.2. Geometric Realization 23<br />
6.2.3. What About Other Polygons? 26<br />
7. Zonohedra 27<br />
7.1. Rhombic <strong>Polyhedra</strong> 27<br />
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