A nonagon which has 9 sides
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It is a regular 9 sided polygon whose 9 interior angles add up to 1260 degrees
9099 * * * * * The sum of the interior angles is (9 - 2)*180 = 1260 degrees.
(n-2)*180 = sum of interior angles of any polygon where n = number of sides. (9-2)*180 = 1260 degrees.
The sum of the interior angles of a nonagon is 1260 degrees. A nonagon is a nine-sided polygon in geometry. The formula to find the sum of interior angles in a polygon is given by the formula [n-2] x 180 degrees, where n represents the number of sides.
1260 degrees