Ha 2016

a: 0.5
r(x) = (a * x)
b = CurveCartesian((r(t) * cos(t)), (r(t) * sin(t)), t, 0, (2 * π))
O = (0, 0)
c: r((2 * π))
d = Circle(O, r((2 * π)))
A = Point(b)
B = Point(b)
C = Point(b)
D = Point(b)
E = Point(b)
F = Point(b)
G = Point(b)
H = Point(b)
I = Point(b)
J = Point(b)
K = Point(b)
L = Point(b)
M = Point(b)
N = Point(d)
Vieleck1, o, a_1, b_1, c_1, d_1, e, f, g, h, i, j, k, l, m, n = Polygon(O, A, B, C, D, E, F, G, H, I, J, K, L, M, N)