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# Platonic solids

### Platonic solids

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

رياضى

کلیدواژه‌ها

Platonic solid, tetrahedron, cube, octahedron, dodecahedron, icosahedron, dual, Pythagoras, Aristotle, geometry, solid geometry, mathematics

### موارد مربوط

#### تمرین شبکه مکعب

همه شبکه های دارای 6 مربع یکسان تمی توانند مکعب ایجاد کنند.

#### محیط، مساحت، سطح و حجم

این انیمیشن فرمول های محاسبه محیط و مساحت شکل ها و همچنین مساحت و حجم احجام هندسی را نمایش می دهد.

#### مثلث چندوجهی Császár

چند وجهی Császár یک چند وجهی غیر محدب با 14 صورت مثلثی است.

#### Conic solids

This animation demonstrates various types of cones and pyramids.

#### Cube

This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.

#### 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'.

#### Euler's polyhedron formula

The theorem formulated by Leonhard Euler describes one of the basic properties of convex polyhedra.

#### Grouping of cuboids

This animation demonstrates various types of cuboids through everyday objects.

#### Grouping of solids

This animation demonstrates various groups of solids through examples.

#### 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.

#### Regular square pyramid

A regular square pyramid is a right pyramid with a square base and four triangular faces.

#### Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

#### 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.

#### فولرن ( C₆₀ )

یک کریستال آلوتروپ کربن که در اواخر دهه ۱۹۸۰ کشف شد.