Octagon (EntityTopic, 12)
From Hi.gher. Space
Equations
- The area of a regular octagon with side length l is:
2l2(1 + √2)
Segmentation
The octagon of side 1 may be segmented into 8× isosceles triangle with sides {1,2×√(1+√2⁄2)}.
Use
Octagonal faces are found in these trishapes on FGwiki:
- Cubic truncate (6×, 63%)
Notable Dishapes | |
Flat: | triangle • square • pentagon • hexagon • octagon • decagon |
Curved: | circle |