Answer:
1800°
Explanation:
the sum of the interior angles of a polygon is calculated as
sum = 180° (n - 2) ← n is the number of sides
here n = 12 , then
sum = 180° × (12 - 2) = 180° × 10 = 1800°
Sum of interior angles of an n-gon
The sum of the interior angles of any convex n-gon (polygon with n sides) is given by (n-2)*180°.
Since n = 12:
S = (12 - 2) * 180°
S = 10 * 180°
S = 1800°
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