**How do you calculate the volume of an octagon?**
https://www.askmehelpdesk.com/mathematics/area-volume-octagon-86364.html

Take the length of one side in inches, any side, square it, then multiply by 4.8284. The result will be area in square inches of this regular octagon figure. A = s squared times 4.8284. Then if you want to find the volume of this octagon box, multiply the area of the octagon times the depth to find the volume.

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