Show AB

Show BC

Show CA

Show Angle ABC

Show Angle BCA

Show Angle CAB

A = (-50, -20)
B = (-44, -4)
C = (-20, -20)
poly1, c, a, b = Polygon(A, B, C)
g = false
h = false
i = false
j = false
k = false
l = false
D = (-6, -20)
E = (12, 4)
F = (30, -20)
poly2, f, d, e = Polygon(D, E, F)
m = Ray(D, E)
n = Ray(D, F)
p = Ray(F, E)
q = Circle(D, a * b)
r = Circle(D, Distance[A, B])
G = Intersect(r, m)
s = Segment(D, G)
t = Circle(D, Distance[A, C])
H = Intersect(t, n)
a_1 = Segment(D, H)
c_1 = Circle(F, Distance[B, C])
I = Intersect(c_1, p)
b_1 = Segment(F, E)
d_1 = Segment(F, I)
α = Angle(C, A, B)
β = Angle(A, B, C)
γ = Angle(B, C, A)
F' = Rotate(F, α, D)
δ = Angle(F, D, F')
D' = Rotate(D, β, E)
ε = Angle(D, E, D')
E' = Rotate(E, γ, F)
e_1 = Ray(D, F')
f_1 = Ray(E, D')
D'_1 = Rotate(D, -γ, F)
ζ = Angle(D'_1, F, D)
g_1 = Ray(F, D'_1)