Contents
Definitions
Triangles
de VIlliers Triangle
de Villiers Triangle
Let I be the Incenter of
ABC. Let A
1
be the Incenter of
BCI, let B
1
be the Incenter of
CAI, and let C
1
be the Incenter of
ABI. Then
A
1
B
1
C
1
is the
de Villiers Triangle
.
A
1
B
1
C
1
- de Villiers Triangle.