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This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube.
Platonic solid, tetrahedron, cube, octahedron, dodecahedron, icosahedron, dual, Pythagoras, Aristotle, geometry, solid geometry, mathematics
The Császár polyhedron is a nonconvex polyhedron with 14 triangular faces.
This animation demonstrates various types of cones and pyramids.
This animation demonstrates the components (vertices, edges, diagonals and faces) of the cube, one of the Platonic solids.
This animation demonstrates various types of cylindrical solids as well as their lateral surfaces.
The Ancient Greek scientist, Euclid of Alexandria, is often referred to as the 'father of geometry'.
The theorem formulated by Leonhard Euler describes one of the basic properties of convex polyhedra.
This animation demonstrates various types of cuboids through everyday objects.
This animation demonstrates various groups of solids through examples.
Not all nets consisting of 6 congruent squares are foldable into cubes.
This animation presents the formulas to calculate the perimeter and area of shapes as well as the surface area and volume of solids.
A regular square pyramid is a right pyramid with a square base and four triangular faces.
This special concave polyhedron was named after a Hungarian mathematician.
A sphere is the set of points which are all within the same distance from a given point in space.
To calculate the volume of a tetrahedron we start by calculating the volume of a prism.
A crystalline allotrope of carbon which was discovered at the end of the 1980s.