Derousseau's Generalization of the Malfatti circles

\(a:b:c=231:250:289\).


Jump
[Guy]
[Lob & Richmond]
(0**)
(1**)
(2**)
(3**)

\(\mathbf{5b}\) \((303)\)

\(\displaystyle\overrightarrow{AA^\prime}=\frac{21}{32}\overrightarrow{AI_B}\),   \(\displaystyle\overrightarrow{BB^\prime}=\frac8{21}\overrightarrow{BI_B}\),   \(\displaystyle\overrightarrow{CC^\prime}=\frac3{14}\overrightarrow{CI_B}\).
\(\displaystyle A^\prime=\frac{869}{960}:-\frac{175}{288}:\frac{2023}{2880}\),   \(\displaystyle B^\prime=\frac{44}{135}:\frac{151}{567}:\frac{1156}{2835}\),   \(\displaystyle C^\prime=\frac{11}{60}:-\frac{25}{126}:\frac{1279}{1260}\).
5b (303)

Hiroyasu Kamo