Images for Mathematics

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A triangle that becomes a ...

If we take an isosceles triangle with a big abtuse angle, and attach the two slanting side...

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Building up surfaces

From the point of view of topology, this pipe, that has been taken from a spare part of a ...

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Building up surfaces

With a pipe taken from a spare part of a car we can make a torus.

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Building up surfaces

From the point of view of topology, this pipe, that has been taken from a spare part of a ...

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A belt

From the topological point of view, a belt is an example of cylinder; if we tie it on the ...

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Building up surfaces

Pipes and connectors to build up surfaces.

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Tying and untying a sleeve

With the sleeve of a wind-cheater that can be tied and untied we can imitate the topologic...

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Ribbons for curtains

From the point of view of topology, the ribbons for curtains are an example of cylinder.

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Trousers

From the point of view of topology, a pair of trousers is a sphere with three holes; we c...

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Building up surfaces

From the point of view of topology, this pipe, that has been taken from a spare part of a ...

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