O_1 = Intersect(yAxis, xAxis)
a = 4.3 (slider from 0 to 15, step 0.1)
O = Intersect(yAxis, xAxis)
c = 2.9 (slider from 1 to 5, step 0.1)
b: sqrt(a * a - c * c)
F_1: (-(c), 0.0)
F_2: (c, 0.0)
e: x * x / (a * a) + y * y / (b * b) = 1.0
A = (-9.230440602064663, -0.957982206838345)
B = (-7.555670979013047, -0.9532285241066365)
d = Segment(A, B)
M: (a + d, 0.0)
M' = Mirror(M, yAxis)
N: (0.0, b + d)
f = OrthogonalLine(N, yAxis)
g = OrthogonalLine(M', xAxis)
h = OrthogonalLine(M, xAxis)
C = Intersect(f, g)
D = Intersect(f, h)
Tên đa giác1, m', m, d_1, c_1 = Polygon(M', M, D, C)
E, F = Intersect(e, xAxis)
G, H = Intersect(e, yAxis)
i = Segment(H, G)
j = Segment(F, E)