A sangaku-type problem with regular polygons, triangles, and congruent incircles - Naoharu Ito and Harald K. Wimmer We consider a dissection problem of a regular $n$-sided polygon that generalizes Suzuki's problem of four congruent incircles in an equilateral triangle. ✪ ✪ ✪ ✪ ✪ Link tải tài liệu: LINK TẢI TÀI LIỆU Theo LTTK Education