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Before you dive deep into the subject of 'polyhedra', you can first read more about the general background of solid geometry. Below you can find some general subjects and definitions. 

 

Terms and definitions

Some definitions important for understanding polyhedra will be explained in this chapter. You can also find her the principle of nomenclature of polyhedra. 

 

Polygons

Polyhedra are build out of polygons. If you want to understand polyhedra it is important to understand polygons. Her you will find information about these two dimensional figures. 

 

Regularity

Most 3D puzzles do have a regular or half-regular polyhedron as basis. But what is regularity and how do you determine the regularity of a polyhedron. Also the concept 'regularity index' will be explained. 

 

Duality

A large number of polyhedra do have a dual counterpart. In this chapter duality is explained and how you can apply this concept on polyhedra. 

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