Respuesta :

Hrishii

Answer:

(x + 16)° = 141°

Step-by-step explanation:

  • Given figure is of octagon

  • Sum of interior angles of an octagon is 1080°

  • -> 5x° + 455° = 1080°

  • -> 5x° = 1080° - 455°

  • ->5x° = 625°

  • -> x° = 625°/5

  • x° = 125°

  • x = 125

  • -> (x + 16)° = (125 + 16)°

  • -> (x + 16)° = 141°

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