pohj. napapiiri

6370 km

T464

A = (7, 4)
B = (11, 4)
c = Circle(A, B)
B' = Rotate(B, 66.5°, A)
α = Angle(B, A, B')
f = Line(B', xAxis)
C, D = Intersect(c, f)
g = Segment(C, D)
h = Segment(A, D)
E = Point(g)
i = Segment(A, E)