Question

ângulos
calcular o valor de x e y
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Answer 1

120°+(x/2) + (x/3) = 180° (Ângulo Raso)

(x/2) + (x/3) = 60°

(3x/6) + (2x/6) = 60°

5x = 360°

x = 72°.

y+120° = 180° (Ângulo Raso)

y = 60°.