Respuesta :

Answer:

x =6

Step-by-step explanation:

17x + 8 + 66 + 74 +110 = 360

17x + 258 =360

17x = 360 -258

17x =102

x =6

Apply angle sum property

  • 17x+8+66+74+110=360
  • 17x+258=360
  • 17x=102
  • x=6
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