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6 January, 16:20

Find the area of a regular octagon with an apothem of 8

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  1. 6 January, 19:58
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    308cm²

    Step-by-step explanation:

    Assuming the given unit is in cm

    The expression for the area of a regular Octagon is

    A=2 (1+√2) a²

    Given the apothem a = 8cm

    Substituting we have

    A=2 (1+√2) 8²

    A = 2 (1+1.414) 64

    A = 2 (2.414) 64

    A = 308cm²
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