Keywords: Construction of Malfatti circles.svg Costruzione dei cerchi di Malfatti in verde le bisettrici in rosso le tangenti dei cerchi di Malfatti in grigio gli incentri interni Jakob Steiner's 1826 construction of the Malfatti circles The three angle bisectors green partition the given triangle into three smaller triangles within each of which an inscribed circle dashed is constructed The dashed red bitangents of pairs of inscribed circles partition the given triangle into three tangential quadrilaterals circumscribing the Malfatti circles Own 2008-01-19 Personline Malfatti circles |