G = R

POSTUP

1

2

B = (2, 2, 0)
C = (-2, 2, 0)
C_1 = (2, -2, 0)
D = (-2, -2, 0)
a, D_2, A, F, G, H, E, faceABEF, faceAFJG, faceABHG, faceBEIH, faceEFJI, faceGHIJ, edgeAF, edgeAB, edgeBE, edgeEF, edgeAG, edgeFJ, edgeGJ, edgeGH, edgeBH, edgeHI, edgeEI, edgeIJ = Cube(B, C, xOyPlane)
P = Point(edgeEF)
Q = Point(edgeAF)
b = Segment(P, Q)
c = Line(P, Q)
d = Line(C, B)
K = Intersect(c, d)
e = Segment(K, G)
I = Intersect(edgeAG, e)
f = Segment(Q, I)
g = Segment(I, G)
h = Line(D, C)
K_2 = Intersect(c, h)
i = Segment(K_2, G)
J = Intersect(i, edgeEI)
j = Segment(P, J)
k = Segment(J, G)
mnohoúhelník1, p, q, i_1, g_1, j_1 = Polygon(P, Q, I, G, J)