f(x) = 2400.0 / x
C = Point(f)
a = OrthogonalLine(C, xAxis)
b = OrthogonalLine(C, yAxis)
D = Intersect(b, yAxis)
B = Intersect(a, xAxis)
A = Intersect(xAxis, yAxis)
veelhoek1, d, c, a_1, b_1 = Polygon(A, B, C, D)
h = Circle(B, 10.0)
k = Circle(D, 10.0)
E, F = Intersect(h, xAxis)
G, H = Intersect(k, yAxis)
i = Line(H, b)
j = Line(F, a)
P = Intersect(g, e)
Q = Intersect(e, j)
R = Intersect(j, i)
S = Intersect(g, i)
veelhoek2, i_1, j_1, k_1, l = Polygon(P, Q, R, S)
tekst1: "opp(PQRS) = " + veelhoek2