Respuesta :

check the picture below.

notice, the apothem is 6, the length of a side is 5 units, that means the perimeter, namely the sum of all sides, is 5+5+5+5+5+5+5+5.

[tex]\bf \textit{area of a regular polygon}\\\\ A=\cfrac{1}{2}(apothem)(perimeter)[/tex]
Ver imagen jdoe0001

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