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Sphere

Sphere

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

Математика

Этикеткалар

sphere, radius, diameter, great circle, plane section, solid of revolution, геометрия, математика

Байланысты экстралар

Көріністер

Байланысты экстралар

Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance...

Volume of spheres (Cavalieri´s principle)

Calculating the volume of a sphere is possible using an appropriate cylinder and cone.

Volume of spheres (demonstration)

The sum of the volume of the ´tetrahedrons´ gives an approximation of the volume of the...

Жазық фигуралардың периметрі мен ауданын, беттің ауданын және көлемін есептеу

Анимацияның көмегімен жазық фигуралардың периметрі мен ауданын есептеу формуласымен,...

Császár polyhedron

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

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...

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.

Non-orientable surfaces

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

Platonic solids

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the...

Prisms

This animation demonstrates several types of prisms, from general to regular.

Szilassi polyhedron

This special concave polyhedron was named after a Hungarian mathematician.

Solids of revolution

Rotating a geometric shape around a line within its geometric plane as an axis results in...

Solids of revolution (exercise)

An exercise about the generation of solids of revolution.

Geometric transformations – rotation

This animation demonstrates geometric rotation, a type of geometric transformation both...

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