Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
branch of geometry
|
| gptkbp:appliesTo |
spherical triangles
spherical polygons |
| gptkbp:contrastsWith |
gptkb:Euclidean_geometry
gptkb:elliptic_geometry gptkb:hyperbolic_geometry |
| gptkbp:feature |
no parallel lines
sum of triangle angles greater than 180 degrees great circles as geodesics |
| gptkbp:historically_studied_by |
gptkb:Euclid
gptkb:Ptolemy gptkb:Menelaus_of_Alexandria |
| https://www.w3.org/2000/01/rdf-schema#label |
Spherical geometry
|
| gptkbp:importantFor |
map projections
celestial navigation global positioning |
| gptkbp:relatedTo |
noncommutative geometry
|
| gptkbp:studies |
figures on the surface of a sphere
|
| gptkbp:used_in |
gptkb:astronomy
gptkb:navigation cartography |
| gptkbp:bfsParent |
gptkb:Thurston's_eight_geometries
|
| gptkbp:bfsLayer |
6
|