To find the sum of interior angles for any N-sided polygon = N*180° - 360°
Solve the equation: N*180° - 360° = 3060°, for N, and N = 19
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A 19 sided polygon has interior angles that add up to 3060 degrees.
It is 180*(n - 2) = 180*(19-2) = 3060 degrees.
The 19 interior angles of a 19-agon add up to 3060 degrees.
3060 degrees
3060