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7 August, 10:52

The sum of the measures of the interior angles of a triangle is 180°. The sum of the measures of the interior angles of a quadrilateral is 360°. The sum of the measures of the interior angles of a pentagon is 540°. What is the measure of the sum of the interior angles of an octagon?

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  1. 7 August, 11:17
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    Answer: 1080 degrees

    Step-by-step explanation:

    Since the general formular is

    (n - 2) 180 = interior angle.

    Where n is the number of sides the polygon has.

    Octagon has 8 sides so therefore n = 8.

    (8-2) * 180

    = 6 * 180

    =1080.

    The total number of the interior angles measured is 1080 degrees.
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