Oh, let's use this information to figure out what a perpendicular

bisector is.

The following result gives concrete formulas for the Poincare

bisectors in the upper half-space model.

1] are two equal angles of 90[degrees]--[alpha], 90[degrees]--[beta] and 90[degrees]--[gamma], and therefore the heights of the original triangle [DELTA]ABC are the

bisectors of the orthic triangle [DELTA][A.

s], [product sum], [cross product]), and let P be a point lying on side BC of the gyrotriangle such that AP is a

bisector of gyroangle [?

involves points, segments,

bisectors, triangles, heights, etc.

In these studies, the individual area per plant was estimated using the area of Thiessen polygons that are defined as the smallest polygons that can be obtained by erecting perpendicular

bisectors to the horizontal lines joining the center of a plant to the centers of its neighboring competitors.

Note that this definition and procedure for obtaining Sette-Ahlstrom areas is equivalent to constructing polygons manually using perpendicular

bisectors and measuring their areas (Sette and Ahlstrom, 1948).

ijk] are the intersections of the perpendicular

bisectors (great circles) of the triangle sides.

The GIS formed a growing-space or Tiesen polygon around each canopy tree, using the perpendicular

bisectors of line segments from the subject tree to each of the nearest neighbors.

The program allows students to construct points, segments, circles, parallels, perpendiculars, angle

bisectors, and extensions of line segments.

His measurement strategy of perimeter, diagonals, and

bisectors, Figure 3, resembles the flag of Great Britain, thus the name "Union Jack Pattern.

For the mineral resource estimates, polygons, which were centered on the drill holes, were constructed by using perpendicular

bisectors halfway between adjacent drill holes (also called areas of equal influence [AOI]).

There is no need for a numerical calculator or a graphics calculator when exploring properties of parallel lines and transversals; or triangles and quadrilaterals inscribed inside circles; or the perpendicular

bisectors and altitudes and medians of triangles; or proving Pythagoras theorem.

AA', BB', CC' and DD' are angle

bisectors of the each corner of the image.

Note that all four circles are constructible by ruler and compass since their centres lie on the (internal or external)

bisectors of the angles of ABC.