bn:03568807n
Noun Concept
Categories: Surfaces, Euclidean solid geometry, Algebraic surfaces, Quadrics
EN
conical surface  conic surface  conical quadric  Conicoid  conoidal
EN
In geometry, a conical surface is the unbounded surface formed by the union of all the straight lines that pass through a fixed point — the apex or vertex — and any point of some fixed space curve — the directrix — that does not contain the apex. Wikipedia
Definitions
Relations
Sources
EN
In geometry, a conical surface is the unbounded surface formed by the union of all the straight lines that pass through a fixed point — the apex or vertex — and any point of some fixed space curve — the directrix — that does not contain the apex. Wikipedia
Generated by a moving line with one fixed point Wikipedia Disambiguation
union of all the straight lines that pass through a fixed point and intersect a fixed space curve Wikidata