ellpsi x² / 2² + y² / 1 = 1

\text{Ellipsi}\
\frac{x^2}{2^2}+\frac{y^2}{1^2}=1

\left(x,\sqrt{1-\frac{x^2}{4}}\right)

\left(x,-\sqrt{1-\frac{x^2}{4}}\right)

p = 1.3 (slider from -2 to 2, step 0.1)
c: x^(2) / 2^(2) + y^(2) / 1 = 1
A: (p, sqrt(1 - p^(2) / 4), 0)
A_1: (x(A), 0)
A_2: (x(A), (-y(A)))
B: (0, 0)
f = Segment(A, B)
g = Segment(A, A_2)
C: (x(A), y(A), (4 * sqrt(1 - (x(A))^(2) / 4)))
C_1: (x(A), (-y(A)), (4 * sqrt(1 - (x(A))^(2) / 4)))
m1, c_1, h, a_2, a_1 = Polygon(C, C_1, A_2, A)
D = Intersect(xAxis, g)
b = Surface(t, (s * sqrt(1 - t^(2) / 4)), (4 * sqrt(1 - t^(2) / 4)), t, -2, p, s, -1, 1)
d = Surface(t, sqrt(1 - t^(2) / 4), (tan(s) * sqrt(1 - t^(2) / 4)), t, -2, p, s, 0, atand(4))
e = Surface(t, (-sqrt(1 - t^(2) / 4)), (tan(s) * sqrt(1 - t^(2) / 4)), t, -2, p, s, 0, atand(4))