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It depends how big it is. But the rule is: Side length x 8 = Perimeter.
For example, if one side was eleven centimeters long then the perimeter would be P= 11 x 8. It would be eighty-eight centimeters.
Note: This rule only works for regular octagons. If you need to find the perimeter of an irregular octagon, then you have to measure each side and add up the measurements of each side.
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Earn +20 ptsQ: What is the perimeter of octagon?
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What is the perimeter of an octagon in millimeters?
If it's a regular octagon, the perimeter is 8 times the length of one side.
A regular octagon has a side length of 9 mm. What is the perimeter?
The perimeter is 72.
What is the perimeter of a regular octagon with a 15cm sides?
Perimeter = 8*15 = 120 cm
What is the area for an octagon with a fixed perimeter of 300?
Approximately 6,789.98 units2
How do you find perimeter of an octagon?
Just add together its 8 sides
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