Images for Mathematics

A grid of spherical triangles

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A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°.
From the exhibition Simetria, jogos de espelhos, developed by the Portuguese association Atractor which itself was based on our Simmetria, giochi di specchi - Symmetry, playing with mirrors and inaugurated in Porto in 2002.

The image belongs to the sections...:
Simetria, jogos de espelhos in Porto (From the exhibitions of matematita)
Spherical geometry (Other geometries)
The spheres (From the exhibitions of matematita)