Geometry

Question Analysis

This question is about using the property of congruent angles to find the measure of an angle. The main focus is understanding that congruent angles have equal measures and applying this concept to solve for the unknown angle.

Key Concept Explanation

When two angles are congruent, denoted as  , it means , where  and  are the measures of angles  and  respectively.

Step-by-Step Solution

1. We are given that .

2. Also, we know that .

3. Since congruent angles have equal measures,

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