Distância entre dois pontos do plano

Synopsis: The article begins by presenting the representation and the definition of the distance between two points. Next is presented an exercise for the student to better secure the transmitted content. Finally, a challenge is proposed that the definition of the distance between two points in the plane to be applied.
Source: UFRJ - Angela Rocha.
URL: http://objetoseducacionais2.mec.gov.br/handle/mec/16143