If
two
angles
are
right
angles
,
they
are
____________________
.
If
two
angles
are
straight
angles
,
they
are
____________________
.
If
a
conditional
statement
is
true
,
then
the
____________________
of
the
statement
is
also
true
.
If
two
angles
are
supplementary
to
the
same
angle
,
then
they
are
____________________
.
If
two
angles
are
supplementary
to
congruent
angles
,
then
they
are
____________________
.
If
two
angles
are
complementary
to
the
same
angle
,
then
they
are
____________________
.
If
two
angles
are
complementary
to
congruent
angles
,
then
they
are
____________________
If
a
segment
(
or
angle
)
is
added
to
two
congruent
segments
(
or
angles
)
,
the
____________________
are
____________________
.
If
congruent
segments
(
or
angles
)
are
added
to
congruent
segments
(
or
angles
)
,
the
____________________
are
____________________
.
If
a
segment
(
or
angle
)
is
subtracted
from
congruent
segments
(
or
angles
)
,
the
____________________
are
____________________
.
If
congruent
segments
(
or
angles
)
are
subtracted
from
congruent
segments
(
or
angles
)
,
the
____________________
are
____________________
.
If
segments
(
or
angles
)
are
congruent
,
their
____________________
____________________
are
____________________
.
If
segments
(
or
angles
)
are
congruent
,
their
____________________
____________________
are
____________________
.
If
angles
(
or
segments
)
are
congruent
to
the
same
angle
(
or
segment
)
,
they
are
____________________
to
each
other
.
If
angles
(
or
segments
)
are
congruent
to
congruent
angles
(
or
segments
)
,
they
are
____________________
to
each
other
.
Vertical
angles
are
____________________
.