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