U5_ej13_a

f(a)

f(b)

f(d)

f(f)

S_4

S_2

f(e)

f(c)

V1 = NaN
A = Point({1, 3})
a = Vector(A)
B = Point({2, 3})
b = Vector(B)
C = Point({1, 1})
v = Vector(C)
E = Point({2, -2})
e = Vector(E)
O = Point({0, 0})
D = Point({2, -1})
d = Vector(D)
F = Point({-1, -2})
f = Vector(F)
G = Point({6, 10})
AA = Distance(A, A)
g = Vector(G)
H = Point({9, 11})
h = Vector(H)
I = Point({5, -1})
J = Point({5, -1})
K = Point({-7, -5})
j = Vector(J)
k = Vector(K)
t = Line(O, v)
U = Point({-1, 1})
u = Vector(U)
r = Line(O, u)
L = Point({4, -4})
l = Vector(L)
M = Point({4, 4})
m = Vector(M)