S=(a+b)^2

=a^2+b^2+2ab

A = Intersect(xAxis, yAxis)
B = (6, 0)
f = Segment(A, B)
C = (0, 6)
g = Segment(A, C)
D = Point(xAxis)
h = Segment(B, D)
E = (0, 9)
i = Segment(C, E)
F = (9, 9)
q1, a, d, f_1, e = Polygon(A, D, F, E)
G = (6, 9)
j = Segment(B, G)
H = (9, 6)
k = Segment(C, H)
I = Intersect(j, k)
q2, e_1, g_1, i_1, c = Polygon(E, G, I, C)
q3, g_2, f_2, h_1, i_2 = Polygon(G, F, H, I)
q4, i_3, h_2, d_1, b = Polygon(I, H, D, B)