G'=

\text{Podperný trojuholník }

D'=

H'=

D = Intersect(yAxis, xAxis)
A = Point(xAxis)
B = Point(Circle[A, Distance[D, A], Segment[D, A]])
a, C, H, E, F, G, stenaABCD, stenaADHE, stenaABFE, stenaBCGF, stenaCDHG, stenaEFGH, hranaAD, hranaAB, hranaBC, hranaCD, hranaAE, hranaDH, hranaEH, hranaEF, hranaBF, hranaFG, hranaCG, hranaGH = Cube(D, A, B)
q = Plane(A, B, C)
p = Plane(D, C, G)
A' = PointIn(p)
u = Vector(A, A')
f = Line(E, u)
E' = Intersect(f, p)
v = Vector(E, E')
k = Segment(E', A')
s = Segment(D, A')
t1, i_1, j_1, k_1 = Polygon(D, A', H)
g = Line(F, f)
F' = Intersect(g, p)
w = Vector(F, F')
j = Line(B, u)
B' = Intersect(j, p)
b = Vector(B, B')
l = Segment(F', B')
m = Segment(A', B')
c = Segment(E', F')
D': D
H': H
h = Segment(H', D')