Respuesta :

edwardlee1123

Answer:

4x+8x = 180 degrees, so x=15

Step-by-step explanation:

XxDeanxX

Answer:

sum of 4x and 8x is 180°

( straight line )

  • 4x + 8x = 180°
  • 12x = 180°
  • x = 15°

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