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1 July, 23:33

The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s=180 (n-2), where n is the number of sides.

Using this formula, how many sides does a polygon have if the sum of the interior angles is 1,260°? Round to the nearest whole number.

6 sides

7 sides

8 sides

9 sides

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Answers (2)
  1. 1 July, 23:38
    0
    8 sides

    Step-by-step explanation:

    I just did it by trial and error.

    (180 * (8-2))
  2. 1 July, 23:52
    0
    Answer:The sum of the interior angles, s, in an n-sided polygon can be determined using the formula s=180 (n-2), where n is the number of sides. its 9 sides

    Using this formula, how many sides does a polygon have if the sum of the interior angles is 1,260°? Round to the nearest whole number.

    6 sides

    7 sides

    8 sides

    9 sides
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