Mathematical applications with Tangram in High School: A case study. Research, Society and Development, [S. l.], v. 15, n. 1, p. e6015150545, 2026. DOI: 10.33448/rsd-v15i1.50545. Disponível em: https://rsdjournal.org/rsd/article/view/50545. Acesso em: 3 feb. 2026.