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8 December, 08:03

If the perimeter of a regular enneagon is 74.7mm how long is one side?

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  1. 8 December, 08:06
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    8.3 mm

    Step-by-step explanation:

    An enneagon is a polygon with 9 sides, also called nonagon.

    In a regular polygon, all sides are congruent, so the length of any side is the perimeter divided by the number of sides.

    length of a side = perimeter/number of sides

    length of a side = 74.7 mm/9 = 8.3 mm
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