Orthocenter

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orthocenter

[¦ȯr·thō′sen·tər]
(mathematics)
The point at which the altitudes of a triangle intersect.

Orthocenter

 

the point of intersection of the three altitudes of a triangle. In any triangle the point of intersection of the medians, the center of a circumscribed circle, and the orthocenter all lie on one line.

References in periodicals archive ?
It is interesting to indicate that the incentre (that is the centre for the inscribed circle) of the orthic triangle is the orthocentre of the original triangle (see Figure 8).
However, they are not given any special property for the fourth one, the orthocentre. From here, though, one can see that the point of intersection of the heights is the centre of the inscribed circle in the orthic triangle.
This second article describes how to write instructions to find the orthocentre (K) and the in-centre (I), and then shows that three of these points are always co-linear.