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Angles Formed by Intersecting Lines
Author:
Craig Nelson
Words To Know
Angle - An angle is a figure formed by two lines that intersect at a point.
Right Angle - An angle that has an angle measure of 90º.
Angle Congruence - Angle congruence means that two angles have the same angle measure in degrees.
Supplementary Angles - Two angles are supplementary if their sum adds up to 180º.
Complementary Angles - Two angles are complementary if their sum adds up to 90º.
Adjacent Angles - Adjacent angles are angles that share a leg.
Linear Pair of Angles - A linear pair of angles is a set of angles that are adjacent and supplementary.
Vertical Angles - Vertical angles are formed from two intersecting lines and are opposite one another. They are congruent.
Solving for Angle Measures With a Variable