Resposta:
ITEM (A)
Explicação passo-a-passo:
[tex] \sf{ \frac{\pi}{4} } \\ \\ \sf{ \frac{\pi}{4} \times \frac{180}{\pi} } \\ \\ \sf{ \frac{\cancel{\blue {\pi}}}{4} \times \frac{180}{\cancel{\blue {\pi}}} } \\ \\ \sf{ \frac{1}{4} \times 180} \\ \\ \sf{ \frac{1}{\cancel{\blue {4}}} \times \cancel{\blue {180}}} \\ \\ \boxed{\red{ \sf{45}}}[/tex]
[tex]\mathcal{ATT : ARMANDO}[/tex]
[tex]\mathfrak{\small03\diagup01\diagup2021} \\ \mathfrak{\small{8} :{50} \: \: pm}[/tex]
