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  • 10-11-2020
  • Mathematics
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xenia168
xenia168 xenia168
  • 10-11-2020

Answer:

x = 108°

Step-by-step explanation:

Sum of measures of exterior angles of a polygon equals 360°

180° - 140° = 40°

68° + 64° + 60° + 40° + x = 360°

252° + x = 360° ⇒ x = 108°

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