It is the orthocentre.
orthocenter
the orthocenter (:
Intersection of Medians-Centroid Intersection of Altitudes-Orthocentre
The point where the three altitudes of a triangle intersect is called the orthocenter. This can be located either inside or outside of the triangle.
ORTHOCENTER
The orthocenter of a triangle is found at the intersection of the three altitudes of the triangle. Obtuse triangles contain altitudes which are found outside of the triangle, meaning their orthocenter must be outside of the triangle as well.
orthocenter
Yes
It is called the orthocentre.
orthocenter (geometry)
A triangle has three altitudes.
Obtuse Triangle