It is a 9 sided nonagon whose interior angles add up to 1260 degrees
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The interior angles of a 1260 sided polygon add up to 226,440 degrees and its exterior angles add up to 360 degrees
1260 degrees
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.
A nonagon is a 9 sided polygon whose 9 interior angles add up to 1260 degrees