KAUFMAN, R. Side Lengths of a Right Triangle Reproduced as Perimeters of Other Right Triangles: A Sketch and Proof. Ohio Journal of School Mathematics, [S. l.], v. 90, n. 1, p. 44–47, 2022. Disponível em: https://ohiomathjournal.org/index.php/OJSM/article/view/8893. Acesso em: 28 feb. 2024.