Geometry 1.1-1.4 Vocab

Point

Line

Line Segment

Ray

Plane

Angle Bisector

A ray that divides an angle into two equal parts

Opposite ray

Two rays that start at a common endpoint and together for a line (Head in opposite direction)

Collinear

Points that can be contained within the same line (Any two points will be collinear)

Noncollinear

Points cannot be contained in a single line

Coplanar

Can be contained in a single plane, (any 3 noncollinear points will be coplanar)

Noncoplanar

Cannot be contained in a single line

Intersection

Set of points that figures share in common

Distance formula

Midpoint of line segment

Midpoint formula