Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geometry
|
| gptkbp:definedIn |
A surface whose plane sections are all ellipses or circles
|
| gptkbp:hasEquation |
(x/a)^2 + (y/b)^2 + (z/c)^2 = 1
|
| gptkbp:hasModel |
gptkb:Earth
Planets |
| gptkbp:hasSpecialCase |
gptkb:Spheroid
Quadric surface |
| gptkbp:hasSurfaceAreaFormula |
No simple closed formula
|
| gptkbp:hasType |
gptkb:Prolate_spheroid
gptkb:Triaxial_ellipsoid Oblate spheroid |
| https://www.w3.org/2000/01/rdf-schema#label |
Ellipsoid
|
| gptkbp:parameter |
semi-major axis
semi-minor axis |
| gptkbp:relatedTo |
gptkb:Sphere
Ellipse Quaternion |
| gptkbp:symmetry |
Rotational symmetry (for spheroids)
|
| gptkbp:usedIn |
gptkb:Physics
Astronomy Engineering Geodesy |
| gptkbp:volume |
(4/3)πabc
|
| gptkbp:bfsParent |
gptkb:Sphere
gptkb:Paxillus_involutus gptkb:Quaternion |
| gptkbp:bfsLayer |
6
|