Octagon (EntityTopic, 12)
From Hi.gher. Space
(Difference between revisions)
m (add area) |
m (→Equations) |
||
| Line 20: | Line 20: | ||
== Equations == | == Equations == | ||
*The area of a regular octagon with side length ''l'' is: | *The area of a regular octagon with side length ''l'' is: | ||
| - | <blockquote> | + | <blockquote>''l''<sup>2</sup> · 2(1 + √2)</blockquote> |
== Segmentation == | == Segmentation == | ||
Revision as of 11:12, 11 March 2011
Equations
- The area of a regular octagon with side length l is:
l2 · 2(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 |
