A = Intersect(xAxis, yAxis)
B = Point(xAxis)
Vieleck1, a, b, c, C = Polygon(A, B, 3)
d = Circle(A, B, C)
P = Point(d)
d_{PA} = Segment(P, A)
d_{PB} = Segment(P, B)
d_{PC} = Segment(P, C)
Text1: "d_{PB} + d_{PC} = " + d_{PB} + " + " + d_{PC} + " = " + (d_{PB} + d_{PC}) + ""