Vertical Angles

Vertical Angles

In geometry, a pair of angles is said to be vertical (also opposite and vertically opposite, which is abbreviated as vert. opp. ∠s) if the angles are formed from two intersecting lines and the angles are not adjacent. The two angles share a vertex. Such angles are equal in measure and can be described as "equal" (in the UK or the USA) or "congruent" (in the USA).

Read more about Vertical Angles:  Vertical Angle Theorem, Algebraic Solution For Vertical Angles

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