Respuesta :

Answer:

28°

Step-by-step explanation:

  • m∠TUQ = 5x - 7
  • m∠QUV = 19x + 12
  • m∠TUV = 173°
  • m∠TUQ =?

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m∠TUV = m∠TUQ + m∠QUV

  • 173° = 5x - 7 + 19x +12
  • 173° = 24x + 5
  • 168° = 24x
  • x = 168°/24
  • x = 7°

m∠TUQ = 5*7° - 7° = 28°