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Home > CCG > Chapter 6 > Lesson 6.2.5 > Problem 6-96

6-96.

For each part below, decide if the triangles are similar. If they are similar, use their similarity to solve for . If they are not similar, explain why not. Homework Help ✎

  1. triangles

    The triangles share a common angle and parallel lines have congruent corresponding angles, so the triangles are similar by .

  2. triangles

    Is there enough information to prove that the triangles are similar?

  3. triangles

     

    Vertical angles are equal, so .
    Parallel lines have equal alternate interior angles, so .
    Triangles are similar by .