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19-03-2020
Mathematics

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How many sides do 1980 have

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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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