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Home > GC > Chapter 3 > Lesson 3.2.1 > Problem 3-50


Consider the following arrow diagram:  

Lines are parallel → alternate interior angles are equal.

  1. Write this arrow diagram as a conditional (“If…, then…”) statement.

    If lines are parallel, then alternate interior angles are equal.

  2. Write a similar conditional statement about corresponding angles, then write it as an arrow diagram.

    “If lines are parallel, then corresponding angles are equal” and “Lines are parallel  corresponding angles are equal.”