Images for Mathematics

Spherical triangles

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This interactive animation shows the connection between a regular polyhedron (as, for example, the icosahedron), its dual (the dodecahedron in our example), and the tessellation of the sphere in equal triangles (in the example, 120 triangles of angles π/2, π/3 and π/5).

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The image belongs to the sections...:
2d geometry (Animations)
Spherical geometry (Other geometries)

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