Interior angles add up to 9540 degrees
Exterior angles add up to 360 degrees
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The sum of the internal angles of a n-sided polygon is (n-2) x 180o. For a 17-sided polygon, n = 17 and the sum of the angles is (17-2) x 180o = 2700o
A 29-sided polygon.
It is a 15 sided polygon
The sum of the three INTERIOR angles is 180 degrees. And a 3-sided polygon is often referred to as a 'Triangle'.
The sum of the exterior angles of any polygon is 360 degrees