A: (1, 1, 0)
B: (1, 2, 0)
C: (2, 1, 0)
D: (2, 2, 0)
m1, a, c, d, b = Polygon(A, C, D, B)
E: (3 / 2, 3 / 2, (tan(40°) * 1 / 2))
e, tahkoACE, tahkoCDE, tahkoBDE, tahkoABE, särmäAE, särmäCE, särmäDE, särmäBE = Pyramid(m1, E)
F = Midpoint(D, C)
f = Segment(E, F)
G = Midpoint(A, D)
g = Segment(E, G)
h = Segment(G, F)
α = Angle(E, F, G)
H = Point(tahkoCDE)
i = Segment(C, H)
j = Segment(H, B)
β = Angle(B, H, C)
γ = Angle(särmäDE, j)
k1, c_1, h_1, b_1 = Polygon(H, B, C)