TriangleCenter Command

TriangleCenter( <Point>, <Point>, <Point>, <Number> )

gives n-th triangle center of triangle ABC. Works for n < 3054.

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

First isogonic center