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Angles

Angle relationship definitions

TermDefinition
Ray Starts at one endpoint and continues in one direction
Vertex The point which two rays share
Intersecting Two lines that cross each other
Transversal A line that intersects two or more lines at different points
Vertical Angle Opposite angles formed by two intersecting lines.
Corresponding Angles The angles are equal if the two other lines are parallel
Congruent Angles that have the same measure
Adjacent Angles Two angles that are next to each other and share a vertex
Complementary Angles The sum of two angles' measures equal 90 degrees
Alternate Interior Angles Two angles that lie between the two parallel lines on opposite sides of the transversal
Alternate Exterior Angles The angles that lie outside the two parallel lines on opposite sides of the transversal
Supplementary Angles The sum of two angles' measures equal 180 degrees
Congruent Angles focus only on equal angle measures, regardless of their location
Corresponding Angles describe specific angle pairs formed when a transversal crosses parallel lines, and they are congruent only when the lines are parallel.(If the lines are parallel, corresponding angles are congruent.)
Created by: user-1973506
 

 



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