A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°. Exhi...
A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°. Exhi...
A subdivision of the sphere into 48 spherical triangles with angles 45°, 60°, 90°. Exhi...
spherical geometry