Answer:
C) 28.1°
Step-by-step explanation:
[tex]\frac{16}{sin 57}[/tex] = [tex]\frac{9}{sin A}[/tex]
sin A = [tex]\frac{9}{16}[/tex] × sin 57 = 0.4717521945
[tex]sin^{-1}[/tex] A = 28.1° (rounded up to the nearest tenth)
