f(x) = x^(2)
A = Intersect(f, xAxis)
B = Intersect(f, a)
C = Intersect(f, b)
D = Intersect(f, c)
E = Intersect(f, d)
F = Intersect(f, e)
G = Intersect(f, g)
H = Intersect(f, h)
I = Intersect(f, i)
J = Intersect(f, j)
K = Intersect(f, k, 1)
l = Segment(A, B)
m = Segment(B, C)
n = Segment(C, D)
p = Segment(D, E)
q = Segment(E, F)
r = Segment(F, G)
s = Segment(G, H)
t = Segment(H, I)
a1 = Segment(I, J)
b1 = Segment(J, K)
lengte: l + m + n + p + q + r + s + t + a1 + b1
T3: "de lengte van boog AK is ongeveer " + lengte
c1 = OrthogonalLine(I, j)
L = Intersect(c1, j)
Δx = Segment(I, L)
Δy = Segment(J, L)