180 x (n - 2) degrees is.
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The sum of the internal angles always equals 180o
The internal angles add to 180 degrees.
2700
180 degrees
For any n-sided regular polygon, the sum of the internal angles of the polygon is equal to (n - 2) x 180. In this instance, the sum of the internal angles of a 14-sided shape is equal to (14 - 2) x 180 = 2160 degrees.