Move point S to change the size and position of the square.

O = (0.14, 2.84)
S = (-2.88, 1.82)
Q = Rotate(S, 90*°, O)
A = Rotate(Q, 90*°, O)
R = Rotate(A, 90*°, O)
QR = Segment(R, Q)
SA = Segment(A, S)
poly1, b'', b''', b_1, b' = Polygon(A, R, S, Q)
a = Segment(R, O)
b = Segment(A, O)
c = Segment(O, Q)
d = Segment(O, S)
α = Angle(A, O, R)
β = Angle(R, A, Q)
γ = Angle(A, Q, S)
δ = Angle(Q, S, R)
ε = Angle(S, R, A)