lengte

breedte

f(x) = 1 / 6 * (87 * x - 3 * x^(2) - 2 * x^(3))^(0.5)
g(x) = (-1) / 6 * (87 * x - 3 * x^(2) - 2 * x^(3))^(0.5)
A = Point(yAxis)
B = (6, -2.5)
a = Segment(A, B)
E = (6.163036283505469, 2.234693094725678)
F = (6.181416880157686, -2.250172488415316)
d = Segment(E, F)