Parabola Construction 2
Author: M. Dabbs, R. Walcott

Drag the generator point G.

Double click to open independently.

A_1 = (-3.38, 1.2)
B = (10.5, 1.2)
a = Line(A_1, B)
A = Point(a)
b = OrthogonalLine(A, a)
S = Point(a)
G = Point(a)
c = Circle(S, G)
R = Intersect(c, a, 2.0)
R' = Mirror(R, b)
d = OrthogonalLine(R', a)
F, H = Intersect(c, d)
loc1 = Locus(H, G)
loc2 = Locus(F, G)