Question

What is a orthrocentre of a triangle?

Answer 1

Where the triangle’s three altitudes intersect. The altitude of a triangle is a segment from a vertex of the triangle to the opposite side (or to the extension of the opposite side if necessary) that’s perpendicular to the opposite side; the opposite side is called the base.

Answer 2

ORTHOCENTRE =  the point where all three altitudes of thetriangle intersect and  altitude is a line which passes through a vertex of the triangle and is perpendicular to the opposite side.