Bonjour,
La somme des angles d'un triangle = 180°
a)
180 - 124-18 => 38°
b)
180-71-29 => 80°
c)
180-98,1-59,6 => 22,3°
d)
180-49,5-113 = > 17,5°
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Bonjour,
La somme des angles d'un triangle = 180°
a)
180 - 124-18 => 38°
b)
180-71-29 => 80°
c)
180-98,1-59,6 => 22,3°
d)
180-49,5-113 = > 17,5°