faithjackson01p9b3l9
faithjackson01p9b3l9 faithjackson01p9b3l9
  • 26-05-2018
  • Mathematics
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Find the supplementary angle to an angle that is 128.9°. Explain your answer.

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Аноним Аноним
  • 26-05-2018
Supplementary angles add up to 180°, thus the supplementary angle to 128.9° would be:
180 - 128.9 = 51.1°
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penelope1park
penelope1park penelope1park
  • 26-05-2018
Supplementary angles are 180 degrees, so subtract 128.9 by 180. This should give you 51.1.
Answer Link

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