An Ethnomathematics Study of Flat-Building Geometry on Traditional Central Javanese Musical Instruments
DOI:
https://doi.org/10.30736/voj.v8i1.1277Keywords:
Ethnomathematics, Mathematics, GamelanAbstract
The purpose of this study is to explore the mathematical elements contained in Central Javanese gamelan musical instruments by applying qualitative research methods and ethnographic approaches. Data were collected through observation, interviews, and documentation, analyzed using Miles and Huberman’s model, with validity ensured through triangulation. The findings indicate that Central Javanese gamelan instruments embody various two-dimensional geometric shapes, including squares, rectangles, circles, and isosceles trapezoids, represented across the kethuk kempyang, bonang, peking, gender, saron, kempul, and gambang. The results of ethnomathematical exploration on traditional Central Javanese musical instruments can be applied to mathematics learning, particularly flat or two-dimensional geometry, by providing visual representations of geometric shapes found in Central Javanese gamelan instruments.
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