Answer:
c) S= [tex]\frac{19}{20}\pi\text{ feet}[/tex]
Step-by-step explanation:
[tex]S=\theta r[/tex], where [tex]\theta[/tex] is the angle in radians and r is the radio of the circle.
But [tex]57^{\circ} = \frac{57\pi}{180}[/tex], then
[tex]S=\frac{19\pi}{60}*3 =\frac{19\pi}{20}[/tex] feet