Geometry

Question Analysis:

This question involves determining the measure of an angle () by utilizing the measures of its adjacent angles. The main focus is applying the angle - addition postulate.

Key Concept Explanation:

The angle - addition postulate states that when two adjacent angles share a common vertex and a common side, the measure of the larger angle formed by them is equal to the sum of the measures of the two smaller adjacent angles.

Step - by - Step Solution:

1. Observe the figure and identify the adjacent angles that make up . Here, is composed of and , with and

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