1
.
A
____________________
is
a
precise
location
or
place
on
a
plane
.
Usually
represented
by
a
dot
,
a
cross
or
an
x
.
It
has
no
dimensions
.
We
label
it
with
capital
letters
.
2
.
A
____________________
is
a
geometrical
object
that
is
straight
,
infinitely
long
and
infinitely
thin
.
It
has
one
dimension
,
length
.
We
label
it
with
small
letters
.
3
.
A
____________________
is
a
portion
of
a
line
which
starts
at
a
point
and
goes
off
in
a
particular
direction
to
infinity
.
The
point
where
it
starts
is
called
the
endpoint
.
4
.
A
line
____________________
is
a
straight
line
which
links
two
points
without
extending
beyond
them
.
It
is
one
-
dimensional
.
It
has
a
measurable
length
,
but
has
zero
width
.
5
.
A
____________________
line
is
one
which
runs
up
and
down
the
page
.
6
.
A
____________________
line
is
one
which
runs
left
-
to
-
right
across
the
page
.
7
.
Lines
are
____________________
if
they
lie
in
the
same
plane
,
and
are
the
same
distance
apart
over
their
entire
length
.
No
matter
how
far
you
extend
them
,
they
will
never
meet
.
8
.
A
line
is
____________________
to
another
if
it
meets
or
crosses
it
at
right
angles
(
90°
)
.
9
.
An
____________________
is
made
up
of
two
ray
that
have
the
same
beginning
point
.
That
point
is
called
vertex
and
the
two
rays
are
called
the
sides
of
it
.
10
.
A
____________________
is
a
flat
surface
that
is
infinitely
large
and
with
zero
thickness
.
It
has
two
dimensions
:
length
and
width
.
