$\bar{y}$

x'

A = (12.848580030797782, 2.5761980438739673)
B: (x(A), 0)
A' = Mirror(A, yAxis)
q2, f, g, h, e = Polygon(A, B, ((-x(A)), 0), A')
d = 8.2 (slider from -5 to 10)
D: A - (d, 0)
C = (0, 2.576198043873969)
x' = OrthogonalLine(C, yAxis)
i: (1, 0)
k = Vector(B + (2 * i), (x(B), y(C)) + (2 * i))
tr: A + (4, 8)
bl: Mirror[B, yAxis] - (3, 2)
C_R: (0, y(A) / 2)
C_L: A + (((-d)) / 3, d / 5)
E = Mirror(C_L, yAxis)
pic1' = Mirror(pic2, yAxis)