The subdivision of the sphere in 120 spherical triangles with angles of 36°, 60°, 90°. ...
The three possible ways of dividing a sphere in equal spherical triangles so that every tr...
A subdivision of the sphere into 24 spherical triangles with angles 60°, 60°, 90°. From...
Three kaleidoscopes and other material for a laboratory on spherical geometry.
This interactive animation shows the connection between a regular polyhedron (as, for exam...
A sphere with the track of the planes of symmetry of the cube on its surface. This image h...
The parallels on a sphere (with the exception of the equator) aren't geodetic curves.
If we take two non-opposite points on the sphere, there's a unique maximum circle that pas...
The subdivision of the sphere in 48 spherical triangles with angles of 45°, 60°, 90°. T...
The subdivision of the sphere in 48 spherical triangles with angles of 45°, 60°, 90°. T...
