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Non-orientable surfaces

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



Mībija sloksne, Kleinas pudele, bezgalīgs virsmas laukums, ģeometrija, cietā ģeometrija, Matemātika

Saistītie vienumi

Ames room

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

Four colour theorem

Colour a map with the fewest number of colours possible, so that no two adjacent regions have the same colour.

Leonardo da Vinči darbnīca (Florence, 16. gadsimts)

Paviesojieties šī Renesanses laikmeta zinātnieka un mākslinieka darbnīcā Florencē un iepazīstiet viņa izcilākos izgudrojumus un mākslas darbus.


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

Solids of revolution

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


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

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.

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