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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.

رياضى

کلیدواژه‌ها

sphere, radius, diameter, great circle, plane section, solid of revolution, geometry, mathematics

### موارد مربوط #### حجم کره (نمایش)

کره با ظرفیت تقریبی نامشخص. #### Surface area of spheres (demonstration)

The surface of a sphere consists of the set of points which are all at the same distance from a given point in space. #### Volume of spheres (Cavalieri´s principle)

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

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

This animation demonstrates the five regular three-dimensional (or Platonic) solids, the best known of which is the cube. #### 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 a solid of revolution. #### Solids of revolution (exercise)

An exercise about the generation of solids of revolution. #### تغییرات هندسی - چرخش

این انیمیشن چرخش هندسی را در صفحه و فضا نشان می دهد.