Introduction

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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Octagon Formulas Calculator

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Introduction

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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Description

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;


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Figure - 16.1

Perimeter of an octagon



8a




Output


Area of an octagon



2a2(1+2)




Output


References

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