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Sulistiyana, Sulistiyana
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Humanities Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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Journal : JTAM (Jurnal Teori dan Aplikasi Matematika)

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Creative Geometry through Roof Modeling: Enhancing Angle Understanding via Deep Learning Herliana, Puspa; Hermawan, Hendry; Sulistiyana, Sulistiyana; Aslamiah, Aslamiah; Suriansyah, Ahmad
JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 9, No 4 (2025): October
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jtam.v9i4.33710

Abstract

This study aimed to evaluate the effectiveness of deep learning-based geometry instruction using miniature roof construction in improving students’ understanding of angles. A quasi-experimental design was conducted at SMPN 1 Kotabaru with 64 seventh-grade students divided into experimental and control groups. The experimental group participated in eight sessions of project-based learning that integrated contextual modeling and collaborative exploration, while the control group received conventional textbook-based instruction. Students’ comprehension of angle concepts including classification, measurement, and application was assessed using a validated geometry test and structured reflection journals. The results showed that students in the experimental group demonstrated significantly greater improvement in angle understanding compared to the control group. Statistical analysis confirmed the effectiveness of the intervention, with a large performance gap favoring the experimental group. These findings suggest that deep learning strategies, when combined with hands-on modeling and contextual relevance, can substantially enhance conceptual mastery in geometry education. 
Co-Authors Adellia, Aurora Putri Ahmad Suriansyah Aslamiah Aslamiah Baihaki, Nayla Tsabita Fie Dinillah Eviani Damastuti Fathul Jannah, Fathul Fitriani, Dina Aulia Hafizi, Rahmani Hariyati, Rita Hendro Yulius Suryo Putro Herliana, Puspa Hermawan, Hendry Isma, Isma Makaria, Eklys Cheseda Muhammad Arsyad Mujiyat, Mujiyat Nasri Nasri, Nasri Nor Anisa Nuramalia, Nadya Nurrahmah, Laili Azkia Prayudy, Renandra Rahmadi Rahmadi Ramadhan, Muhamad Rico Ririanti Rachmayanie Jamain Rusda, Rusda Sanusi, Muhammad Nunu Setiawan, Muhammad Andri Solihin, Muhammad Hayatus Sopia, Sopia Sugianto, Akhmad Sulaiman, Muhammad Agus Sutrisno, Sutrisno Suyoto Suyoto Ulfah, Siti Zainab Muthia Utomo Utomo Yayuk Hartini Yenny Nurul Wulandari