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MathematicsMathematics
3 March, 19:19

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°7 Round to the nearest

whole number

6 sides

7 sides

8 sides

9 sides

+3
Answers (2)
  1. 3 March, 19:34
    0
    9 sides.

    Step-by-step explanation:

    1260 = 180 (n - 2) Divide both sides by 180:

    7 = n - 2

    n = 7 + 2 = 9.
  2. 3 March, 19:41
    0
    9 sides

    Step-by-step explanation:

    Given the sum of the interior angles = 1260°, then

    180° (n - 2) = 1260 (divide both sides by 180)

    n - 2 = 7 (add 2 to both sides), hence

    n = 9
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Home » Mathematics » 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.
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