Megatomic
Megatomic Megatomic
  • 24-04-2017
  • Mathematics
contestada

What is the supplementary angle of 128.7 degrees

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cutelion918
cutelion918 cutelion918
  • 24-04-2017
supplementary angles add to 180 so x + 128.7 = 180 subtract 128.7 from both sides; therefore, the answer is 51.3

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