Question

what is the sum of the interior angles of a polygon having 9 side's.
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Answer 1

Answer:

∴ The angle sum of a polygon with 9 sides is 1260∘.

Step-by-step explanation:

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Answer 2

Answer:

To find the sum of interior angles of a polygon , multiply the number of polygon inthe triangle by 180 ° . The formula calculating the sum of interior angles is ( n - 2 ) × 180 ° . where the number of sides. All the interior angles in the regular polygon are equal

Step-by-step explanation:

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