E = (-1.18, -2.86)
F = (7.0600000000000005, -2.84)
a_1 = Segment(E, F)
G = Point(a_1)
H = (3.36, -0.2)
b = Segment(G, H)
α = Angle(E, G, H)
β = Angle(H, G, F)
texte1: "Angle supplémentaire: 
α + β =  " + α + " + " + β + " = 180 ° "

Tool: Outil1
Input: E, F, H
Output: γ

a = Segment(E, F)
G = Point(a)
α = Angle(E, G, H)
β = Angle(H, G, F)
γ: α + β