Copy of Alternate Exterior Angles

Author:Sabrina Cooper, GeoGebra Materials Team

Lines AB and FC are parallel. Line BC is a transversal.

1. Use points A, B, and C to move the lines. Observe the angle values. 2. <ABE and <HCG are alternate exterior anlges. Name another pair of alternate exterior angles. 3. Compare different pairs of alternate exterior angles. What do you notice?

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