Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:geometry
gptkb:mathematical_concept |
| gptkbp:defines |
Region bounded by two concentric circles
|
| gptkbp:dimensions |
2
|
| gptkbp:etymology |
Latin annulus meaning little ring
|
| gptkbp:hasApplication |
gptkb:Mathematics
gptkb:Physics Engineering |
| gptkbp:hasArea |
π(R^2 - r^2)
|
| gptkbp:hasInnerRadius |
r
|
| gptkbp:hasOuterRadius |
R
|
| gptkbp:hasPerimeterFormula |
2π(R + r)
|
| gptkbp:hasSubgroup |
Euclidean plane
|
| https://www.w3.org/2000/01/rdf-schema#label |
Annulus
|
| gptkbp:relatedTo |
gptkb:King
gptkb:Circle Disk |
| gptkbp:bfsParent |
gptkb:Convex_sets
gptkb:Convex_set |
| gptkbp:bfsLayer |
7
|