k mellem 2.4 og 4

C: (0, 4)
A: (0, 0)
B: (6, 4)
a = Segment(C, B)
b = Segment(C, A)
c = Segment(A, B)
k = 3.1 (slider from 2.4 to 4, step 0.05)
f: x = k
g: y = 4 - k
D = Intersect(g, c)
E = Intersect(f, c)
F = Intersect(f, g)
G = Intersect(f, a)
H = Intersect(g, b)
I = Intersect(f, a)
J = Intersect(g, b)
polygon1, c_1, i, e, d, j = Polygon(C, I, E, D, J)
polygon2, e_1, i_1, b_1 = Polygon(I, B, E)
polygon3, d_1, a_1, j_1 = Polygon(A, J, D)
GuleAreal: polygon2 + polygon3