Difference between revisions of "TriangleCenter Command"
From GeoGebra Manual
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Revision as of 18:04, 16 February 2017
- TriangleCenter[ <Point>, <Point>, <Point>, <Number> ]
- gives n-th triangle center of triangle ABC. Works for n < 3054.
- Example:Let A = (1, -2), B = (6, 1) and C = (4, 3).
TriangleCenter[A, B, C, 2]
yields the centroid D = (3.67, 0.67) of the triangle ABC.
Some common triangle centers
Index n | Center |
---|---|
1 | Incenter |
2 | Centroid |
3 | Circumcenter |
4 | Orthocenter |
5 | Nine-point center |
6 | Symmedian point |
7 | Gergonne point |
8 | Nagel point |
13 | Fermat point (assuming all angles are at most 120°) |