SOL

MUR

O = Intersect(xAxis, yAxis)
B_1 = Point(xAxis)
a = Segment(O, B_1)
A = Point(a)
c = Circle(A, 5.0)
D = Point(yAxis)
b = Ray(O, D)
B = Intersect(c, b)
d = Segment(B, A)
e = Line(O, B_1)
I = Midpoint(d)
lieu1 = Locus(I, A)