I’m really stuck on this one can someone please help I would highly appreciate it.:)

Answer:
∠ FED = 54°
Step-by-step explanation:
the secant- secant angle FED is half the difference of the intercepted arcs, that is
∠ FED = [tex]\frac{1}{2}[/tex] ( SC - FD ) = [tex]\frac{1}{2}[/tex] (165 - 57)° = [tex]\frac{1}{2}[/tex] × 108° = 54°