Question

the angle sum of all interior angles of 11 sides is​

Answer 1

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 2

Answer:

1620°

Step-by-step explanation:

(n-2) × 180°

= (11-2) × 180°

= 9 × 180°

= 1620°

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