Resposta :
[tex]360 \degree - x = 285 \degree[/tex]
[tex] - x = 285 \degree - 360 \degree[/tex]
[tex]( - 1) - x = - 75 \degree[/tex]
[tex]x = 75 \degree[/tex]
[tex]360 \degree - x = 285 \degree[/tex]
[tex] - x = 285 \degree - 360 \degree[/tex]
[tex]( - 1) - x = - 75 \degree[/tex]
[tex]x = 75 \degree[/tex]