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27 November, 07:31

Find the number of sides of a polygon if each interior angle is 150°

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  1. 27 November, 07:52
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    12

    Step-by-step explanation:

    The interior angle and exterior angle sum to 180°, thus

    exterior angle = 180° - 150° = 30°

    The sum of the exterior angles of a polygon = 360°, thus

    number of sides = 360° : 30° = 12
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