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4 April, 01:01

find the sum of the interior angles of the following polygons. 1) Pentagon. 2) hexagon. 3) heptagon. 4) octagon.

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  1. 4 April, 03:57
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    Sum of interior angles of polygon = (n-2) * 180

    1) Pentagon:

    (5-2) * 180 = 540

    2) Hexagon:

    (6-2) * 180 = 720

    3) Heptagon:

    (7-2) * 180 = 900

    4) Octagon:

    (8-2) * 180 = 1080
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