Question

- Calcule o valor de X em cada caso:

Answer 1

a) 110°+130°+80°+x=360°

320°+x=360°

x=360°-320°

x=40°

b) 120°-180°=60°

90°+60°+60°+x=360°

210°+x=360°

x=360°-210°

x=150°