1. The traditional system of geometry based on Euclidean principles, focusing on points, lines, planes, and shapes in two and three dimensions without using coordinates or algebraic methods
Classical geometry deals with constructions using only a compass and straightedge.
A geometria clássica trabalha com construções usando apenas compasso e régua.
2. The study of geometric properties and theorems developed primarily by ancient Greek mathematicians such as Euclid
The foundations of classical geometry were established by Euclid in his Elements.
Os fundamentos da geometria clássica foram estabelecidos por Euclides em seus Elementos.