- In geometry, an
orthocentric system is a set of four
points on a plane, one of
which is the
orthocenter of the
triangle formed by the
other three. Equivalently...
-
rhombohedron necessarily form the four
vertices of an
orthocentric tetrahedron, and all
orthocentric tetrahedra can be
formed in this way. The rhombohedral...
- has been done for
orthocentric tetrahedra (i.e.,
tetrahedra in
which altitudes are concurrent) and more
generally for
orthocentric simplices (i.e., simplices...
- In geometry, an
orthocentric tetrahedron is a
tetrahedron where all
three pairs of
opposite edges are perpendicular. It is also
known as an orthogonal...
-
incircle and
excircles of a
triangle form an
orthocentric system. The nine-point
circle created for that
orthocentric system is the cir****circle of the original...
- then it is
called an
orthocentric tetrahedron. When only one pair of
opposite edges are perpendicular, it is
called a semi-
orthocentric tetrahedron. An isodynamic...
-
excircles of the
given triangle. The
incenter and
excenters together form an
orthocentric system. The
medial axis of a
polygon is the set of
points whose nearest...
- ὀρφανότης
orphan orth-
straight Gr**** ὀρθός (orthós), ὀρθότης orthocenter,
orthocentric, orthodontia, orthodontic, orthodontist, orthodox, orthodoxy, orthographic...
- holocentric, metacentric, monocentric, neocentromere, orthocenter,
orthocentric, paracentesis, pericardiocentesis, technocentric, technocentrism, telocentric...
- of the
triangle formed by the
other three, is
called an
orthocentric system or
orthocentric quadrangle.
Denote the cir****radius of the
triangle by R...
