Respuesta :

B=60 degrees
a=about 4
b=about 7
Didn’t do decimals

Answer:

Step-by-step explanation:

[tex]\frac{a}{8}=sin~30\\a=\frac{1}{2}*8=4\\\frac{b}{8}=cos~30=\frac{\sqrt{3} }{2}\\b=\frac{\sqrt{3} }{2}*8=4\sqrt{3} \approx6.9[/tex]