Angles Formed by Intersecting Lines Tutorial | Sophia Learning

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> Mathematics
> Geometry
> Angles Formed by Intersecting Lines

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Tutorial

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