Transversals & Corresponding Angles
1. Create line AB; 2. Create line CD that crosses line AB; 3. Label the intersection point E; 4. Translate points A, B, and line AB by directed segment ED.
What is the measure of angle AEC? What is the measure of angle A'DE? How are they related?
Rotate point B and line AB 180° around point D. Label the new point of intersection F.
What is the measure of angle AEC? What is the measure of angle B'FD? How are they related?