Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geometry
|
| gptkbp:canRoll |
yes
|
| gptkbp:circleDistance |
equal to radius
|
| gptkbp:discoveredBy |
gptkb:Paul_Schatz
|
| gptkbp:discoveredIn |
1929
|
| gptkbp:hasPatent |
DE 574 378
|
| gptkbp:hasSurfaceAreaFormula |
A = 4r²
|
| gptkbp:hasUniqueRollingMotion |
entire surface touches plane during rolling
|
| gptkbp:isConstructedFrom |
two congruent circles
|
| gptkbp:namedAfter |
Greek 'olos' meaning 'whole'
|
| gptkbp:surface |
developable surface
|
| gptkbp:symmetry |
rotational symmetry
|
| gptkbp:usedIn |
mathematics education
mixing technology |
| gptkbp:volume |
V = (2/3)πr³
|
| gptkbp:bfsParent |
gptkb:Paul_Schatz
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
Oloid
|