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6 Cards in this Set

  • Front
  • Back
adjacent angles
are two angles in a plane that have a common vertex and a common side but no common interior points
bisector of an angle
is a ray that divides the angle into two equal adjacent angles
perpendicular lines
are two lines that form equal adjacent 90 degree angles.
supplementary angles
are two angles whose measures have the sum 180 degree. each angle is called the supplement of the other
complementary angles
are two angles whose measures have the sum 90 degree. each angle is called a complement of the other.
Vertical angle
are two angles whose sides form two pairs of opposite rays. when two lines intersect they form two pairs of vertical angles.