Supplementary Angles

Complementary Angles

Opposite Angle Theorem

A = (-1.66, 3.08)
B = (2.1, 0.66)
a = Segment(A, B)
C = Point(a)
D = (0.7, 3.18)
b = Segment(C, D)
H = (12.264, 3.29)
I = (16.554, 0.98)
f = Segment(H, I)
K = (16.05340183883181, 3.9414213088155807)
E = (5.378, 2.652)
F = (6.764, 0.496)
c = Segment(E, F)
P = (7.6, 3.224)
i = Segment(F, P)
β = Angle(B, C, D)
γ = Angle(D, C, A)
η = Angle(P, F, E)
h = OrthogonalLine(F, c)
G = Point(h)
j = Segment(G, F)
α = Angle(G, F, P)
J = Point(f)
g = Line(K, J)
L = Point(g)
k = Segment(L, K)
δ = Angle(I, J, K)
ε = Angle(H, J, L)
ζ = Angle(L, J, I)
θ = Angle(K, J, H)