Rechtwinklige Dreiecke

 \frac{ a }{2 } 

auf den Seitenflächen

 \frac{ a }{2 } 

in der Parallelschnittfläche

 \frac{ d }{2 } 

in der Diagonalschnittfläche

A = (-1, -5)
B = (5, -5)
C = Point(Circle[B, 3.0])
a_1 = Segment(B, C)
D = Point(Circle[A, 3.0])
b = Segment(A, D)
c = Segment(D, C)
a = Segment(A, B)
E = Midpoint(A, D)
F = Midpoint(D, C)
G = Midpoint(C, B)
H = Midpoint(B, A)
e = Segment(H, F)
f = Segment(E, G)
I = Intersect(f, e)
g = OrthogonalLine(I, f)
J = Point(g)
h = Segment(I, J)
i = Segment(J, C)
j = Segment(J, B)
k = Segment(J, D)
l = Segment(J, A)
Vieleck1, hs_1, a2, s_1 = Polygon(J, G, C)
α = Angle(C, G, J)
m = false
Vieleck2, j_1, hs, h_2 = Polygon(I, F, J)
β = Angle(F, I, J)
n = false
Vieleck3, h_3, s, j_2 = Polygon(I, J, A)
γ = Angle(J, I, A)
o = false