This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.

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Step 1: Identify the geometric configuration and properties. The image shows two parallel lines intersected by a transversal line. We will assume the horizontal lines are parallel.
Step 2: Find the value of . The angle and angle are alternate exterior angles. When two parallel lines are intersected by a transversal, alternate exterior angles are equal. Therefore:
Step 3: Find the value of . First, find the interior angle on the bottom left, adjacent to . Let's call this angle . Angles on a straight line sum to . Now, and are consecutive interior angles (also known as same-side interior angles). When two parallel lines are intersected by a transversal, consecutive interior angles are supplementary (sum to ).
The values are and .
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Identify the geometric configuration and properties. The image shows two parallel lines intersected by a transversal line.
This mathematics problem involves applying core mathematical principles and formulas. Below you will find a complete step-by-step solution with detailed explanations for each step, helping you understand not just the answer but the method behind it.