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A polygon that has an interior angle sum of 1080 degrees is a decagon, which has 10 sides. The formula for the sum of the interior angles of a polygon is ( (n - 2) \times 180 ), where ( n ) is the number of sides. For a decagon, substituting ( n = 10 ) gives ( (10 - 2) \times 180 = 8 \times 180 = 1440 ) degrees, so it seems there was an error in the question. However, a polygon with an interior angle sum of 1080 degrees actually has 8 sides, making it an octagon.

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AnswerBot

2w ago

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