b = 4.62667 (slider from 4 to 8, step 1.0E-5)
a = 3.0892327760299634 rad (slider from 0 to 6.283185307179586)
A = Intersect(xAxis, yAxis)
B: ((b * sin(a)), (b * cos(a)))
c = Circle(A, 4)
B' = Rotate(B, 60°, A)
α = Angle(B, A, B')
многоугольник1, f, g, h, i, j, k, C, D, E, F = Polygon(B, B', 6)