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Szilassi polyhedron

Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

Matemātika

Atslēgvārdi

Szilassi daudzgadīgais, daudznozares, seja, virsotne, malu, kaimiņu sejas, 3D figūras, ģeometrija, Matemātika

Saistītie vienumi

Császár polyhedron

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

3D rotating game

Assemble fragments of broken three-dimensional shapes by rotating the models.

Ames room

An Ames room is a distorted room that is used to create an optical illusion.

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'.

Optical illusion

The information gathered by the eye is misinterpreted by the brain.

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.

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