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We use the formula that the sum is 180(n-2) where n is the number of sides. So 540=180(n-2)

540/180-n-2

3=n-2

so n=5 and it is a pentagon.

(5 sides)

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Q: The sum of the interior angles of a polygon is 540 degrees How many sides does this polygon have?

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35 sides

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