Elementary geometry

Generatrix

In geometry, a generatrix (/dʒɛnəˈreɪtrɪks/) or describent is a point, curve or surface that, when moved along a given path, generates a new shape. The path directing the motion of the generatrix motion is called a directrix or dirigent. (Wikipedia).

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Related pages

Surface (mathematics) | Point (geometry) | Rotation around a fixed axis | Surface of revolution | Curve | Geometry | Shape | Cone | Parallel (geometry)