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Home > GC > Chapter 2 > Lesson 2.1.3 > Problem 2-31


Looking at the diagram below, John says that .  

An increasing line, A,H, crosses line, B,D, and also crosses line e, g. The Intersection of A,H, & B,D, is labeled, c. The intersection of A,H, & E,G, is labeled f.

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  1. Do you agree with John? Why or why not?

    These are corresponding angles. Are the lines parallel?

  2. Jim says, “You can’t be sure those angles are equal. An important piece of information is missing from the diagram!” What is Jim talking about?

    Are there any missing marks?