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23 Cards in this Set

  • Front
  • Back
point
basic builing block in
geometry
no size or location
line
straight, continuous
arrangement of points

infinite # of points
plane
has length and width but
no thickness
collinear
on the same line
coplanar
on the same plane
noncollinear
not on the same plane
noncoplanar
not on the same plane
line segment
2 points and all the points
between them
endpoints of a
segment
point at either end of a
segment
are the 1st point of a ray
congruent segments
2 or more segments that
have the same measure or
length
midpoint
point on a segment that is
the same distance from both
ends
bisects
to divide into 2 congruent
parts
ray
a point on a line and all
the points of the line
that lie on one side of
this point
parallel
lines
lines on the same plane
and do not intersect
perpendicular
lines
lines that meet at 90 angles
skew lines
lines that are not on the
same pland and do not
intersect.
right angle
an angle that measures 90
acute angle
measures less than 90
obtuse angle
measures more than 90 but
less than 180
complementary
angles
pair of angles whose sum
is 90
supplementary angles
pair of angles whose sum
is 180
vertical angles
formed by intersecting lines
share common vertex
no common sides
linear pair of
angles
share vertex
share common sides
non common sides
straight line