An octagon is a eight-sided polygon or 8-gon, which means that it has eight equal side. Calculate its perimeter and area.

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An octagon is a eight-sided polygon or 8-gon, which means that it has eight equal side. Calculate its perimeter and area.

`Octagon Formulas`

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An octagon is a eight-sided polygon or 8-gon, which means that it has eight equal side. Calculate its perimeter and area.

$a$, Symbol for Side;

$p$, Symbol for Perimeter;

$A$, Symbol for Area;

$8a$

$2{a}^{2}(1+\sqrt{2})$

^{Figure - 16.1} By László Németh - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=27295120