These are points
that lie on the
same plane.
Coplanar Points
It has no
dimension and is
presented by a
small dot.
Point
What angle
measures more
than 0º and less
than 90º?
Acute Angle
What angle
measures
exactly 90º?
Right Angle
It does not
extend in any
direction and
has endpoints.
Line Segment
It extends in two
dimensions and is
presented by a foursided slanted figure.
Plane
What angle
measures
exactly 180º?
Straight Angle
These are points
that lie on the
same line.
Collinear Points
It extends in one
direction
without end.
Ray
In naming a
point, what type
of letter is used?
Capital Letter
How many
points are used
in naming a
plane?
Three
It is represented
by a straight line
with two
arrowheads.
Line