Statements (16)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
geometric configuration
|
| gptkbp:alsoKnownAs |
gptkb:kissing_circles
|
| gptkbp:application |
gptkb:inversive_geometry
circle packing |
| gptkbp:consistsOf |
three mutually tangent circles and a fourth circle tangent to all three
|
| gptkbp:describedBy |
gptkb:Soddy's_formula
|
| gptkbp:firstDescribed |
1936
|
| https://www.w3.org/2000/01/rdf-schema#label |
Soddy's circles
|
| gptkbp:namedAfter |
gptkb:Frederick_Soddy
|
| gptkbp:property |
each circle is tangent to the other three
|
| gptkbp:publishedIn |
gptkb:Nature_(journal)
|
| gptkbp:relatedTo |
gptkb:Apollonius'_problem
gptkb:Descartes'_Theorem |
| gptkbp:studiedIn |
gptkb:geometry
|
| gptkbp:bfsParent |
gptkb:outer_Soddy's_circle
|
| gptkbp:bfsLayer |
8
|