Ukaz Zasuk

A = (1.36, 1.72)
B = (1.8800000000000001, 0.44)
C = (3.88, 1.44)
mnogokotnik1, c, a, b = Polygon(A, B, C)
A'_1 = Rotate(A, 60.0*°)
B'_1 = Rotate(B, 60.0*°)
C'_1 = Rotate(C, 60.0*°)
mnogokotnik1'_1, c', a', b' = Polygon(A'_1, B'_1, C'_1)
O = (0, 0)
α = Angle(A, O, A'_1)
D = (1.82, 3.2)
A' = Rotate(A, 80.0*°, D)
B' = Rotate(B, 80.0*°, D)
C' = Rotate(C, 80.0*°, D)
mnogokotnik1', c'_1, a'_1, b'_1 = Polygon(A', B', C')
β = Angle(A, D, A')