H

C ?

B = (2, 2)
A = (8, 2)
a = Segment(B, A)
α = 0 rad (slider from 0 to 60*°, step 0.017453292519943295)
B' = Rotate(A, α, B)
β = Angle(A, B, B')
b = Ray(B, B')
h = 0 (slider from 0 to 4.5, step 0.1)
c = Line(B, A)
H_1 = Point(c)
d = Circle(H_1, h)
e = OrthogonalLine(H_1, c)
D = Intersect(d, e, 2)
f = Line(D, a)
C = Intersect(f, b)
i = Segment(C, A)
poly1, c_1, a_1, b_1 = Polygon(B, A, C)
j = 5 (slider from 0 to 5, step 1)
C_1 = Point(f)
k = OrthogonalLine(C_1, f)
H = Intersect(k, a)
l = Segment(H, C_1)
g = Segment(H_1, D)
E = (-2.56, 9.98)
m = Line(E, xAxis)
F = Point(m)