Geometry

Question Analysis

This question involves the concept of vertical angles in geometry.

 

Key Concept Explanation

Vertical angles are formed when two lines intersect. They are non - adjacent angles, and their key property is that they are congruent, meaning they have the same measure.

 

Step-by-Step Solution

1. Observe the given angles and . Since they are vertical angles, we can set up the equation .

2. To solve for , first subtract from both sides of the equation:

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