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PLEASE HELP!!!! I REWARD BRAINLIEST also plz no silly answer i grinded hard for these points :D

PLEASE HELP!!!! I REWARD BRAINLIEST also plz no silly answer i grinded hard for these points :D class=

Answer :

ferrybukantoro

Answer:

11

Step-by-step explanation:

4x = x + (180-147)

4x = x + 33

4x-x = 33

3x = 33

x = 11

Angle aside 147°

  • 180-147
  • 33°

Now

sum of two interiors=exterior

  • x+33=4x
  • 3x=33
  • x=11

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