Triangles IsométriquesDiscusses isometric triangles, their properties, conditions for determination, and distance between points.
Analytical Study of SpaceExplores the analytical study of space, covering relative positions, angles, and properties of lines and planes.
Regular Pentagon ConstructionExplores the construction of a regular pentagon using Euclid's method and discusses historical constructions by Euclid and Ptolemy.
Plan SeparationExplores the axiom of separating the plane into two half-planes and the concept of interior points.