Donne la nature de chacun des angles.

Angle $\widehat{sAr} : 

Angle $\widehat{wOz} : 

Angle $\widehat{HPI} : 

Angle $\widehat{uGv} :

A

r

s

O

w

z

H

P

I

u

G

v

A = (-4, 0)
B = (0, 0)
C = (3, 0)
D = (7, 0)
E = (10, 0)
F = (15, 0)
G = (18, 0)
H = (23, 0)
I = (-3.18, 0.28)
J = (0.22, 0.8)
I' = Rotate(I, (-(78°)), J)
α = Angle(I', J, I)
f = Segment(I, J)
g = Segment(J, I')
K = (3.32, 3.88)
L = (3.32, 0.36)
K' = Rotate(K, (-(92°)), L)
β = Angle(K', L, K)
h = Segment(K, L)
i = Segment(L, K')
M = (9.36, 1)
N = (11.86, 3.52)
M' = Rotate(M, 105°, N)
γ = Angle(M, N, M')
j = Segment(M, N)
k = Segment(N, M')
O = (18.2, 3.52)
P = (20.2, 1.1)
O' = Rotate(O, (-(95°)), P)
δ = Angle(O', P, O)
l = Segment(O, P)
m = Segment(P, O')