n = 4
A = Intersect(xAxis, yAxis)
B: (sqrt(n), 0)
C: (sqrt(n), sqrt(n))
D: (0, sqrt(n))
poly1, a, b, c, d = Polygon(A, B, C, D)
m = 3 (slider from 0 to 8, step 0.1)
M: (m, 0)
C': (m, n / m)
D': (0, n / m)
poly2, a_1, b', c', d' = Polygon(A, M, C', D')
N: (n / m, 0)
M': (0.5 * (N + M))
e = CircleArc(A, N, D')