Geometrical concepts on Batik Sasirangan

Abstract

This study aims to explore the concept of geometry on traditional batik Sasirangan motifs. Batik Sasirangan which is also familiar as Sasirangan, is a customary cloth of the Banjar tribe which has many patterns both traditional pattern and modern pattern. If it is observed in detail, the motifs in the Sasirangan consist of mathematical concept especially the concept of geometry. This research is a qualitative research with ethnography approach. In this research, researchers are data collectors. The techniques of data collection are library studies, observation, and interviews. The techniques of data analysis through three steps are data reduction, data presentation, and conclusion. For the validity of data used triangulation source. There are 5 craftsmen who are also sellers at the Sasirangan shop in Banjarmasin be the informants. Several concepts especially the concept of geometry are found in batik Sasirangan such as angle, triangle, rectangular pyramid nets, geometry transformation, parallel line, and congruence.