Answer:
4140°
Step-by-step explanation:
The sum of the interior angles of a polygon is
sum = 180° (n - 2) ← n is the number of sides
Here n = 25, thus
sum = 180° × 23 = 4140°
Sum of the measures of the interior angles of of a 25-sided polygon is 4140∘
Sum of the measures of all the exterior angles of any polygon, irrespective of its number of sides is always 360∘.
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