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13 October, 11:06

A regular octagon has an area of 180 meters squared and a side length of 9 meters find the apothem

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  1. 13 October, 13:25
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    apothem = 2.5 m

    Step-by-step explanation:

    The area (A) of a regular polygon is

    A = pa (p is the perimeter and a the apothem)

    Here A = 180 and p = 8 * 9 = 72, thus

    72a = 180 (divide both sides by 72)

    a = 2.5
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