Coordinates of the vertices of the ABC triangle:
C{0,0}, B{3,0}, A{0,4}.
The angles CAF and GAB are 1/4-th of the angle CAB,
the angles ABG and EBC are 1/4-th of the angle ABC,
the angles ECB and CFA are 1/4-th of the angle BCA.
CE = ,
CF = ,
AF = ,
AE = ,
BG = ,
BE = .
Sides of the inner triangle FGE:
FG = ,
GE = ,
EF = .
The area of the FGE triangle:
15.8028.