Geometry Chapter 1 Vocab

angle bisector

a ray that divides an angle into two congruent angles

congruent segments

segments that have the same length

construction

a geometric figure drawn using a compass and straightedge.

isometric drawing

shows a corner view of a three-dimensional figure

linear pair

A pair of adjacent angles whose noncommon sides are opposite rays.

net

a two-dimensional pattern that you can fold to form a three-dimensional figure

orthographic drawing

the top view, front view, and right view of a 3D figure

perpendicular bisector

a segment, ray, or line that is perpendicular to a segment at its midpoint

postulate

a statement that is accepted as true without proof

segment bisector

a segment, ray, line, or plane that intersects a segment at its midpoint

supplementary angles

two angles whose measures have a sum of 180 degrees

vertical angles

two angles whose sides form two pairs of opposite rays