Respuesta :

sqdancefan

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Answer:

  C.  42.1°

Step-by-step explanation:

The Law of Sines is applicable.

  sin(B)/b = sin(C)/c

  sin(B) = 18/15×sin(34°)

  B = arcsin(6/5×sin(34°)) ≈ 42.1° . . . measure of ∠B