Question

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

Answer 1

∠ FED = 54°

Explanation:

the secant- secant angle FED is half the difference of the intercepted arcs, that is

∠ FED =
`(1)/(2)` ( SC - FD ) =
`(1)/(2)` (165 - 57)° =
`(1)/(2)` × 108° = 54°