Respuesta :

Answer:

  • 132°

Step-by-step explanation:

US is bisector, therefore

  • ∠BUS = ∠SUL
  • 2x + 10 = 3x - 18
  • 3x - 2x = 10 + 18
  • x = 28°

∠BUL = 2(2x +10) = 4x + 20 = 4*28 + 20 = 132°

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