USING LAW OF COSINES WITH A SIDE-SIDE-ANGLE TRIANGLE. Far East Journal of Mathematical Education, [S. l.], v. 27, n. 2, p. 83–91, 2025. DOI: 10.17654/0973563125010. Disponível em: https://pphmjopenaccess.com/fejme/article/view/2908. Acesso em: 5 jan. 2026.