Move vertex A or P to change the shape of the parallelogram

O = (-0.4, 3.64)
P = (-2.42, 5.26)
A = (-3.54, 2.2)
M = Mirror(A, O)
R = Mirror(P, O)
poly1, b, c', b', c = Polygon(P, M, R, A)
PR = Segment(P, R)
QS = Segment(M, A)
a = Segment(P, O)
d = Segment(O, M)
e = Segment(O, A)
f = Segment(O, R)
α = Angle(P, O, A)
g = Segment(A, R)
h = Segment(P, A)