Identifying Parallel Lines Cut by a Transversal

Determine which lines are parallel using properties of angles formed by angles in this activity.
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Each time you identify a pair of parallel lines and a transversal that formed the congruent corresponding angles, what shape gets filled in with color?
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The pairs of triangles are formed by the corresponding angles and lines opposite those angles. What do you notice about each pair of lines opposite the corresponding angles?
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How would you form a smaller star on the shared leg of the two stars?
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• Unordered list
1. Ordered list
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Insert icons of GeoGebra tools
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Information: Identifying Parallel Lines Cut by a Transversal