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13 January, 09:06

Find the area of a regular pentagon whose apothem is 25.1 and perimeter is 182

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  1. 13 January, 12:08
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    If the perimeter is 182, each of its sides are 182/5=36.4

    The area of any regular polygon can be expressed as:

    a (n, s) = ns^2 / (4tan (180/n)) where n=number of sides and s=side length ...

    a (5,36.4) = 2279.56 units^2 (to nearest one-hundredth of a square unit)
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