Respuesta :

The answer is C

I’m 100% sure

Explanation:
If 3 is 56.5, then 4 would be:
180-56.5= 123.5

Since 3 and 4 are parallel to 7 and 8, they have the same angle sizes.

Therefore, angle 8 has the same answer as angle 4, which is 123.5. Answer is C.