Circle (EntityTopic, 15)
From Hi.gher. Space
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{{Shape|Circle|''No image''|2|1, 0|0|N/A|N/A|[[Line (object)|E]]L|2 (x,y)|N/A|N/A|N/A|4|(xy)|4|pure|1|<sup>π</sup>⁄<sub>4</sub> ≈ 0.7854}} | {{Shape|Circle|''No image''|2|1, 0|0|N/A|N/A|[[Line (object)|E]]L|2 (x,y)|N/A|N/A|N/A|4|(xy)|4|pure|1|<sup>π</sup>⁄<sub>4</sub> ≈ 0.7854}} | ||
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A '''circle''' refers to the surface of a perfectly symmetrical [[planar]] object. | A '''circle''' refers to the surface of a perfectly symmetrical [[planar]] object. | ||
| - | + | == Equations == | |
*Variables: | *Variables: | ||
<blockquote>''r'' ⇒ radius of circle</blockquote> | <blockquote>''r'' ⇒ radius of circle</blockquote> | ||
Revision as of 11:18, 22 September 2007
Template:Shape A circle refers to the surface of a perfectly symmetrical planar object.
Equations
- Variables:
r ⇒ radius of circle
- All points (x, y) that lie on the surface of a circle will satisfy the following equation:
x2 + y2 = r2
- The hypervolumes of a circle are given by:
total edge length = 2πr
area = πr2
- The linear cross-sections (n) of a circle are:
[!x,!y] ⇒ line of length (rcos(πn/2))
Use
Circular faces are found in these trishapes on FGwiki:
| Notable Dishapes | |
| Flat: | triangle • square • pentagon • hexagon • octagon • decagon |
| Curved: | circle |
| 3. Diamond | 4. (xy) Circle | 5. [xyz] Cube |
| List of bracketopes | ||
