SIANTURI, Agustina; NINGSIH, Yunika Lestaria. INTEGRATING GEOGEBRA IN LEARNING RIGHT TRIANGLE GEOMETRY:A DESCRIPTIVE STUDY OF FIRST-YEAR UNIVERSITY STUDENTS’ RESPONSES. Perpendicular : Journal of Mathematics Education and Learning, [S. l.], v. 1, n. 2, p. 90–100, 2025. DOI: 10.61994/perpendicular.v1i2.1531. Disponível em: https://jurnal.dokicti.org/index.php/perpendicular/article/view/1531. Acesso em: 19 jan. 2026.