Assertion: n ellipse | /r/Synonym | foci
Facets:
value: in a plane
type: LOCATION
Source sentences:
text: (called foci) in a plane, an n-ellipse is the locus of all points of the plane whose sum of distances to the n foci is a constant d.
text: (called foci) in a plane, an n-ellipse is the locus of all points of the plane whose sum of distances to the n foci is a constant d.