Mesure chaque angle.

P

M

R

T

O

N

S

U

I

A = (2, 0)
B = (-2, 0)
A' = Rotate(A, 105°, B)
α = Angle(A, B, A')
a = Segment(A', B)
b = Segment(B, A)
C = (8, 4)
D = (7, 0)
C' = Rotate(C, 44°, D)
β = Angle(C, D, C')
c = Segment(C, D)
d = Segment(D, C')
E = (12, 0)
F = (15, 3)
E' = Rotate(E, 86°, F)
γ = Angle(E, F, E')
e = Segment(E, F)
f = Segment(F, E')