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The perimeter of a regular octagon of side $ 12 \mathrm{~cm} $ is:
Given:
Length of the side of the octagon is 12 cm.
To do:
We have to find the perimeter of the octagon.
Solution:
We know that,
The sides of a regular octagon are equal.
Number of sides of a regular octagon$=8$.
Therefore,
Perimeter of the regular octagon$=$Number of sides$\times$Length of each side
$=8\times12\ cm$
$=96\ cm$
The perimeter of the regular octagon is 96 cm.
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