C

C

A_1 = (5, 8)
B_1 = (5, 2)
f = Line(A_1, B_1)
C = (6, 6)
D = (8, 6)
B = (6, 3)
F = (8, 3)
E = Rotate(C, 150°, D)
α = Angle(C, D, E)
i = Line(D, E)
j = OrthogonalLine(E, i)
k = Line(B, F)
A = Intersect(j, k)
poly1, c, d, c', g_1, e = Polygon(C, D, E, A, B)
β = Angle(E, A, B)
γ = Angle(A, B, C)
δ = Angle(B, C, D)
ε = Angle(D, E, A)
H = (4.706387354865965, 7.492845403563886)
I: (x(H) + 0.18, y(H))