Respuesta :

Answer:

c = 49°

Step-by-step explanation:

Inside of the triangle angles:

  • c–18°
  • c–16°
  • 180°-(c+15) → -c+165

these angles sum up to total 180° angle

-c+165+c-16°+c–18° = 180

c +131 = 180

c = 180° - 131°

c = 49°