Parallel Lines Cut by a Transversal

This example demonstrates the relationships between angles formed when parallel lines are intersected by a transversal, including alternate interior angles, corresponding angles, and consecutive interior angles. Key mathematical concepts involved are properties of parallel lines, angle relationships, and trigonometric functions. The construction uses GeoGebra commands such as Line, Segment, Point, Intersect, and Angle. It is suitable for high school geometry instruction to visually understand the angle relationships and practical applications of parallel lines and transversals.