Lee, Junghyun; Hwang, Minyoung; Bae, Cheolwon Some loci in the animation of a Sangaku diagram. (English) Zbl 1341.51028 Forum Geom. 16, 187-191 (2016). Summary: In a symmetric partition of a regular \(n\)-gon into \(n\) congruent subtriangles and a regular \(n\)-gon in the center, we determine the loci of the incenter and points of tangency of the incircle a subtriangle. MSC: 51M05 Euclidean geometries (general) and generalizations 51M15 Geometric constructions in real or complex geometry Keywords:symmetric partition; regular \(n\)-gon PDFBibTeX XMLCite \textit{J. Lee} et al., Forum Geom. 16, 187--191 (2016; Zbl 1341.51028) Full Text: Link