the angle sum of all interior angles of 11 sides is
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Answer:
So, the sum of the interior angles of an 11-gon is 1620 degrees. All sides are the same length (congruent) and all interior angles are the same size (congruent).
Step-by-step explanation:
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Answer:
1620°
Step-by-step explanation:
(n-2) × 180°
= (11-2) × 180°
= 9 × 180°
= 1620°
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