Respuesta :

∵ ray BA bisects ∠ XBY

∴ m ( ∠ XBA ) = m ( ∠ XBY ) ÷ 2

m ( ∠ XBA ) = 70 ÷ 2 = 35°

Answer: The correct answer is C.35.

Step-by-step explanation:

70÷2=35