Respostas

  • Usuário do Brainly
2014-09-02T19:26:17-03:00
Ângulo -> \alpha

Suplemento -> 180-\alpha.

\dfrac{180-\alpha}{2}=65

180-\alpha=130

\alpha=180-130

\alpha=50

O ângulo mede 50^{\circ}.
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