kingarmstrong204 kingarmstrong204
  • 19-03-2020
  • Mathematics
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How many sides do 1980 have

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22stolc
22stolc 22stolc
  • 19-03-2020

Answer:

13 sides

Step-by-step explanation:

1980 = (n − 2)×180         Formula for number of sides

n − 2 = 1980/180            Divide both sides by 180

n - 2 = 11            

  + 2   + 2                       Add 2 to both sides

n = 13

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