Respuesta :

There will be 13 sides in total, this answer was already on Brainly don’t waste ur points!
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Answer: 13 sides



Explanation:

Sum of interior angles S=(n−2)×180∘, where n is the number of sides of the polygon. Given S=1980∘

⇒1980=(n−2)×180
⇒n−2=1980/180=11
⇒n=11+2=13
Hence, the polygon has 13 sides.

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