R = 3 (slider from 0 to 5, step 1)
A = (0.92, 1.4825)
c = Circle(A, R)
B = (0.82, 4.8925)
a = Line(A, B)
C, D = Intersect(c, a)
b = LineBisector(A, D)
d = LineBisector(A, C)
E, F = Intersect(c, b)
G, H = Intersect(c, d)
e = Segment(A, E)
f = Segment(D, E)