O

\mathbf u

\mathbf v

A = (-2.08469, -0.10614)
B = (-1.14719, 1.19386)
u = Vector(A, B)
D = (3.47156, -0.09989)
C = (0.12781, 0.32511)
v = Vector(A, C)
a = Line(B, v)
b = Line(B, C)
E = Point(a)
F = Point(a)
G = Point(b)
H = Point(b)