a

h

b

c

α

A = (1.86, -1.72)
E = (4.58, 0.86)
B = (5.42, -2.5)
Vieleck1, c_1, a, b = Polygon(A, E, B)
C = (7.3, -0.96)
d = Segment(B, C)
e = Line(C, b)
f = Line(A, d)
D = Intersect(e, f)
g = Segment(C, D)
h = Segment(A, D)
i = Segment(E, D)
j = Segment(E, C)
k = Segment(A, C)
l = Segment(D, B)
m = Segment(E, A)
n = Segment(E, B)
p = Segment(A, B)
F = Intersect(k, l)
q = Line(F, yAxis)
r = Segment(F, E)
α = Angle(C, A, E)
s = Segment(A, F)
G = Point(k)
H = Point(r)
β = Angle(H, F, G)
I = (4.463263745429225, -1.2344447704067272)