Copy of Naming Angle Positions

Autore:Omar Polanco, Tim Brzezinski

Definition: A transversal is a line that intersects 2 other lines at 2 distinct points. In the applet, the dashed line below is a transversal. (Actually, each of the three lines displayed below is a transversal.) When a transversal intersects 2 other lines, special names are given to certain pairs of angles. These angle pairs are called corresponding angles, alternate interior angles, alternate exterior angles, same-side interior angles, and same-side exterior angles. Explore these angle pairs within the applet below. Then, answer the questions that follow.

1) What does the term "same-side" mean in the phrases "same-side interior angles" and "same-side exterior angles"?

2) What does the term "alternate" mean in the phrases "alternate interior angles" and "alternate exterior angles"?

3. Describe how can you identify "interior" angles?

4. Describe how can you identify "Exterior " angles?

5. How would you describe, in your own words, what it means for a pair of angles to be described as "corresponding angles"?

6. How would you describe, in your own words, what it means for a pair of angles to be described as "Alternate Interior"?

7. How would you describe, in your own words, what it means for a pair of angles to be described as "Alternate Exterior"?

8 How would you describe, in your own words, what it means for a pair of angles to be described as "Same side Interior"?

Copy of Naming Angle Positions

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