EXPLORATION OF GEOMETRY CONCEPTS IN THE STRUCTURE OF CIREBON'S PEDATI GEDE FROM AN ETHNOMATHEMATICS PERSPECTIVE

Erlinda Isulis Marissa; Benny Anggara; Azi  Nugraha

doi:10.15408/ajme.v7i2.48697

Authors

Erlinda Isulis Marissa Universitas Sindang Kasih Majalengka
Benny Anggara Universitas Sindang Kasih Majalengka
Azi Nugraha Universitas Sindang Kasih Majalengka

DOI:

https://doi.org/10.15408/ajme.v7i2.48697

Keywords:

Ethnomathematics, Geometry, Pedati Gede Cirebon

Abstract

Abstract

Currently, many local cultures are being eroded due to modernization. The mathematics learning process has not been closely linked to real-life contexts. This study aims to explore geometric concepts in the structure of Pedati Gede Cirebon from an ethnomathematics perspective. This study uses a qualitative ethnographic approach. Data were obtained through observation, interviews, visual documentation, and precision measurements of the pedati structure. Data analysis uses the Miles and Huberman model with stages of reduction, presentation, and conclusion drawing. The ethnomathematics indicators measured include counting systems, measurement and proportion, spatial orientation, design and pattern, and technology and artifacts. The results of the study show that Pedati Gede Cirebon contains the concepts of circle, 12th-order rotational symmetry, the golden ratio, translation, and similarity. The semi-cylindrical roof reflects a sense of balance and protection. Overall, the cart combines mechanical function, symbolic value, and complex geometric structure. This artifact extends the study of ethnomathematics to three-dimensional objects and has the potential to serve as a contextual learning resource for linking geometry learning to local culture.

Abstrak

Saat ini budaya lokal banyak yang terkikis akibat modernisasi. Proses pembelajaran matematika selama ini kurang dikaitkan dengan konteks kehidupan nyata. Penelitian ini bertujuan mengeksplorasi konsep geometri pada struktur Pedati Gede Cirebon dalam perspektif etnomatematika. Penelitian ini menggunakan pendekatan kualitatif etnografi. Data diperoleh melalui observasi, wawancara, dokumentasi visual, dan pengukuran presisi pada bagian struktur pedati. Analisis data menggunakan model Miles dan Huberman dengan tahapan reduksi, presentasi, dan penarikan kesimpulan. Indikator etnomatematika yang diukur meliputi counting system, measurement and proportion, spatial orientation, design and pattern, dan technology and artifacts. Hasil penelitian menunjukkan bahwa Pedati Gede memuat konsep lingkaran, simetri rotasi orde 12, rasio keemasan, translasi, dan kesebangunan. Atap berbentuk setengah silinder mencerminkan keseimbangan dan perlindungan hidup. Secara keseluruhan, pedati memadukan fungsi mekanis, nilai simbolik, dan struktur geometris yang kompleks. Artefak ini memperluas kajian etnomatematika pada objek tiga dimensi serta berpotensi menjadi sumber belajar kontekstual untuk mengaitkan pembelajaran geometri dengan budaya lokal.

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