What is the sum of the interior angles of a polygon that has 21 sides?

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asked Jul 2, 2021 45.2k views

2 Answers

Xiay · Answer 1 · 2021-07-05T02:11:39+0000

Answer: 3420 degree

Step-by-step explanation:

The sum of n sided interior angle of a polygon is: (n - 2) x 180 degree

Since our polygon has 21 sides:

(21 - 2) x 180
= 19 x 180
= 3420 degree

What is the sum of the interior angles of a polygon that has 21 sides?

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