Parabola Construction 6
Author: M. Dabbs, R. Walcott

Drag generator point G.  Move point P.

Double click to open independently.

A_1 = (-3.38, 1.2)
B = (10.5, 1.2)
a = Line(A_1, B)
G = Point(a)
d = OrthogonalLine(G, a)
P = (1.58, 2.74)
C = Point(d)
c = Circle(G, C)
D, E = Intersect(c, a)
b = Line(P, E)
e = Line(P, D)
f = OrthogonalLine(D, e)
g = OrthogonalLine(E, b)
F = Intersect(f, g)
loc1 = Locus(F, G)
h = Segment(P, E)
i = Segment(P, D)
α = Angle(P, D, F)
β = Angle(F, E, P)
l = Line(D, F)
m = Line(E, F)