Ellipse Construction 4
Author: M. Dabbs, R. Walcott

Drag the generator point G.  Move points A and B.

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Reflection Locus

Locus of Perpendicular

A_1 = (-3.2, -0.22)
B_1 = (6.72, -0.22)
a = Line(A_1, B_1)
C = Point(a)
b = OrthogonalLine(C, a)
B = Point(b)
c = Circle(C, B)
G = Point(c)
F = Intersect(c, a, 2.0)
d = Line(F, G)
A = Point(a)
H = Intersect(b, d)
e = Line(A, H)
f = Segment(G, C)
g = OrthogonalLine(G, b)
I = Intersect(g, e)
loc1 = Locus(I, G)
I' = Mirror(I, d)
loc2 = Locus(I', G)
G' = Mirror(A, b)
h = Line(G', H)
J = Intersect(g, h)
i = OrthogonalLine(J, d)
K = Intersect(i, d)
loc3 = Locus(K, G)
α = Angle(i, d)
j = Segment(I', I)
k = false
l = false
m = Segment(G, I)