Summe __________________________________________________
   Umkreiszentrum                      (  1;   3/4 )

Wenn die Mitte des Kreises durch alle Seitenmitten im Ursprung liegt,
dann ergibt die Eckensumme A+B+C  genau M_u

M_M = Intersect(xAxis, yAxis)
B_1 = Point(xAxis)
C_1 = Point(yAxis)
d1, c, a, b = Polygon(M_M, B_1, C_1)
D = Midpoint(a)
F = Midpoint(c)
E = Midpoint(b)
Mittenkreis = Circle(F, D, E)
M_1 = Center(Mittenkreis)
M__FeuerbachO = Vector(M_1, M_M)
A = Translate(M_M, M__FeuerbachO)
B = Translate(B_1, M__FeuerbachO)
C = Translate(C_1, M__FeuerbachO)
d1', c', a', b' = Polygon(A, B, C)
M_F = Translate(M_1, M__FeuerbachO)
Feuerbachkreis = Translate(Mittenkreis, M__FeuerbachO)
u = Vector(M_M, A)
v = Vector(M_F, C)
w = Vector(M_F, B)
A' = Translate(A, v)
d = Vector(A, A')
M_U = Translate(A', w)
e = Vector(A', M_U)
abstandAA' = Distance(A, A')
TextAA': Name[A] + (Name[A']) + " = " + abstandAA'
abstandA'MU = Distance(A', M_U)
Text1 = LaTeX(M_U, true, true)
Text2 = LaTeX(M_F, true, true)
Text3 = LaTeX(A, true, true)
Text4 = LaTeX(B, true, true)
Text5 = LaTeX(C, true, true)
abstandMFB = Distance(M_F, B)
TextMFB: Name[M_F] + (Name[B]) + " = " + abstandMFB