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24 Cards in this Set

  • Front
  • Back
a flat surface that reaches out infinitely
plane
A flat surface that reaches out infinitey
plane
Any given spot on a plane
A point
a straight line that never ends
a line
straight lines OR geometric shapes that are exactly the same
congruent
a segment of a line that is defined and labeled by 2 points no that line
line segment
a point that is in the exact middle of a line segment
midpoint
a point at the end of a line
endpoint
a line that starts from one endpoint and continues forever
ray
an angle os made by two rays from the same endpoint
angle
type of measurement used to show the amount of space between two rays of an angle.
degree
angle measures smaller than 90*
acute angle
an angle measuring equal to 90*
right angle
an angle measuring larger than 90*
obtuse angle
when a line or point divides a geometric shape into exact halves
Bisect
two lines that are always the same width apart and will never intersect.
parallel lines
two lines that cross and form an angle measuring exactly 90 degrees.
perpendicular
two lines that do not intersect. and are not parallel.
skew lines
lays on the same plane
coplanar
any number of points not laying on the same plane.
noncoplanar
points that lay in the same line.
colinear
any number of points not laying on the same line.
noncolinear
the combination of 2 or more rays,lines ore line segments.
union
the point where 2 or more rays, lines or line segments meet.
intersection