Can someone help this is my last question.

Answer:
[tex]19.47 \: \: degrees[/tex]
Step-by-step explanation:
[tex]sin \: \: a \: \: = \frac{o}{h} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{2}{6} = 0.33 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 19.47 \: \: degrees[/tex]