orthocenters's Usage Examples:

of the lines of the quadrilateral form the sides of a triangle; the orthocenters of the four triangles formed in this way lie on a second line, perpendicular.

that passes through the four original arbitrary points as well as the orthocenters of the four triangles.

The corresponding orthocenters, circumcenters, centroids, and centers of the nine-point circle are approached.

The orthocenters of the same four triangles are the vertices of a quadrilateral congruent.

triangles BCD, ACD, ABD, ABC respectively; and denote by Ha, Hb, Hc, Hd the orthocenters in the same triangles.

systems for the plane and for Euclidean space, similarity, angles, and orthocenters, one-point and multi-point perspective, and anamorphic art.

H, HA, HB, HC, Hg are orthocenters, and G, GA, GB, GC, Gg are centroids of triangles ABC, AEF, BFD, CDE, AgBgCg respectively.

I and where the diagonals intersect at P, let HX, HY, HZ, HW be the orthocenters of triangles AIB, BIC, CID, DIA.