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Ptr-Algebra Ch9Angles&Lines
angles and lines
9
Mathematics
7th Grade
04/09/2012

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Cards

Term
Corresponding Angle
Definition
lie on the same side as the transversal in corresponding positions
Term
Transversal
Definition
a line that intersects two other lines in different points
Term
Alternate interior angles
Definition
in the interior pair of lines and on opposite sides of the transversal
Term
adjacent angles
Definition
share a vertex and a side but no points in their interiors
Term
vertical angles
Definition
formed by two intersecting lines and are opposite each other
Term
congruent angles
Definition
angles have the same measure
Term
supplementary angles
Definition
the sum of their measures are 180 degrees
Term
complementary angles
Definition
the sum of their measures are 90 degrees
Term
congruent
Definition
same size and shape
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