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# Szilassi polyhedron

### Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

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کلیدواژه‌ها

Szilassi polyhedron, polyhedrons, face, vertex, edge, neighbouring faces, solids, geometry, mathematics

### موارد مربوط

#### Császár polyhedron

The Császár polyhedron is a nonconvex polyhedron with 14 triangular faces.

#### توهم نوری

اطلاعات جمع آوری شده توسط چشم، توسط مغز اشتباه تفسیر می شود۔

#### اتاق ایمز

اتاق ایمز یک اتاق غیر طبیعی است که برای ایجاد یک توهم نوری استفاده می شود۔

#### بازی چرخشی سه بعدی

با چرخاندن مدل ها قطعاتی از اشکال سه بعدی شکسته را سرهم کنید۔

#### Conic solids

This animation demonstrates various types of cones and pyramids.

#### Cylindrical solids

This animation demonstrates various types of cylindrical solids as well as their lateral surfaces.

#### Euclid of Alexandria

The Ancient Greek scientist, Euclid of Alexandria, is often referred to as the 'father of geometry'.

#### Sphere

A sphere is the set of points which are all within the same distance from a given point in space.

#### Volume of a tetrahedron

To calculate the volume of a tetrahedron we start by calculating the volume of a prism.

#### Grouping of solids 1

This animation demonstrates various groups of solids through examples.

#### Grouping of solids 2

This animation demonstrates various groups of solids through examples.

#### Grouping of solids 3

This animation demonstrates various groups of solids through examples.

#### Grouping of solids 4

This animation demonstrates various groups of solids through examples.

#### Platonic solids

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube.

#### Non-orientable surfaces

The Möbius strip and the Klein bottle are special two-dimensional surfaces with only one side.