bisector
Noun
Meaning
One who, or that which, bisects; esp. (Geom.) a straight line which bisects an angle.
Source: Webster's dictionarySynonyms
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All points on the bisector MP are equidistant from F and T, but Q is closer to F than to T. This means that Q is to the "left" of MP, i.e. on the same side of it as the focus.
The intersection of the angle bisectors is the center of the incircle An angle bisector of a triangle is a straight line through a vertex which cuts the corresponding angle in half.
Mathematical pyramids and triangles A pyramid in which the apothem (slant height along the bisector of a face) is equal to times the semi-base (half the base width) is sometimes called a golden pyramid.
The line through these five points is one of the two principal axes of the hyperbola, the other being the perpendicular bisector of the transverse axis.