180 m

16 m

28,8 m

?

A = (-80, -80)
B = (80, -80)
O = (0, 0)
u = Vector(A, B)
v = Vector(B, A)
C = (-64, -80)
a = Segment(A, C)
f = Function(-x^(2.0) / 80.0, -80.0, 80.0)
b = OrthogonalLine(C, u)
D = Intersect(f, b, 1.0)
c = Segment(D, C)