Respostas

  • Usuário do Brainly
2013-05-31T12:54:03-03:00

Temos que:

 

\alpha=30\text{h}-\dfrac{11}{2}\text{m}   Desta maneira, se \text{h}=11 e \text{m}=45, segue que   \alpha=30\cdot11-\dfrac{11}{2}\cdot45=330-\dfrac{495}{2}=\dfrac{660-495}{2}=82,5^{\circ}

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