The Line: Epure, Traces - Descriptive Geometry

Introduces special plans and projections in descriptive geometry, covering vertical, horizontal, and frontal plans.

Explains the intersection of a line and a plane using auxiliary planes and projectants.

Explores projection planes, angles, and traces in geometric descriptive, emphasizing perpendicularity and parallelism in planes.

Covers axonometry as a projection of space onto a plane parallel to a given direction, including cavalier axonometry and its properties.

Explains methods for accurately projecting lines in 3D space using GeoGebra.