r

r

O_1 = (-1, 2)
A = (1, 2)
O = (2, 2)
c = Circle(O_1, A)
d = Circle(O, A)
a = Segment(O_1, A)
b = Segment(A, O)
B = (-1, -1)
C = (2, -1)
e = Segment(O_1, B)
f = Segment(O, C)
g = Segment(B, C)
distanzaBC = Distance(B, C)
TestoBC: "\overline{" + (Name[B]) + (Name[C]) + "} \, = \, " + distanzaBC
distanzaO1A = Distance(O_1, A)
TestoO1A: "\overline{" + (Name[O_1]) + (Name[A]) + "} \, = \, " + distanzaO1A
distanzaAO = Distance(A, O)
TestoAO: "\overline{" + (Name[A]) + (Name[O]) + "} \, = \, " + distanzaAO