geometry vocab
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17 Terms
point
a specific location in space that has no dimensions, represented by a dot and often labeled with a capital letter.
line
An infinite set of points extending in opposite directions.
line segment
a part a line with two endpoints, which are defined by the points at either end.
ray
a part of a line with one end point.
plane
a flat 2D surface
collinear
points on the same line.
coplanar
points on the same plane.
space
everything around 3D
intersection
where two points are shared.
Opposite rays
two rays that share a commom endpoint and go in opposite directions.
angle bisectors
a ray that divides an angle into two congruent angles.
adjacent angles
two angles that share their vortex and a common side.
linear pair
a pair of adjacent angles whose non-common sides are opposite.
vertical angles.
two non adjacent angles formed by intersection lines (always)
complementary angles
two angles whose measures have a sum of 90
supplementary angles
two angles whose measures have a sum of 180
vertex
the exact point where two or more straight lines, line segments, or edges meet.