Lines
an exact location in space
point
an L-shaped angle
right angle
lines that never cross
parallel lines
a part of a line that includes two endpoints
line segment
DOUBLE POINTS
forms a straight line
straight angle
DOUBLE POINTS
cross to form four right angles
perpendicular lines
a part of a line that has one endpoint and goes on without end in one direction
ray
is open less than a right angle
acute angle
Lines that cross but do not form right angles
intersecting lines
a straight path of points that goes on without end in both directions
line
open more than a right angle
obtuse angle
What does this symbol mean? ⊥
perpendicular lines
two rays that are connected by an endpoint
Vertex
What does this symbol mean? ||
parallel lines
DOUBLE POINTS