A = (-1.1, 4.78)
B = (-1.08, 0.38)
a = Line(A, B)
C = Point(a)
O = Rotate(B, 90.0*°, C)
α = Angle(B, C, O)
D = (2.32, -0.14)
c = Circle(O, D)
b = Segment(O, C)
d = Segment(O, D)
distanzaOC = Distance(O, C)
TestoOC: "\overline{" + (Name[O]) + (Name[C]) + "} \, = \, " + distanzaOC
distanzaDO = Distance(D, O)
TestoDO: "\overline{" + (Name[D]) + (Name[O]) + "} \, = \, " + distanzaDO