The subject os this study is a retelling of the Steps I and II of the book “Matem@tica na Pr@tica, Geometria espacial: módulo 2”, by Cláudio Carlos Dias, João Carlos Vieira Sampaio, Marlusa Benedetti da Rosa, Tomás Edson ...

The objective of this work is to present in two different ways the relation of Euler, studied in high school. We will present necessary and sufficient conditions for a polyhedron that satisfies the Euler relation to be ...