Which term best describes the point where the three altitudes of a triangle intersect

Hi!

The point where the three altitudes of a triangle intersect is called the orthocenter.

Altitudes are lines which pass through the the vertex of a triangle, and bisect the other side.

There are three other points like an orthocenter; an incenter, a circumcenter, and a centroid. They're where the angle bisectors, the perpendicular bisectors, and the medians of a circle intersect, respectively.

Hope this helped!