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4-42.

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

  1. diagram

    What do the parallel lines tell you about the angles in the triangles?

  2. diagram

    Can you confirm any similar angles?

    Not enough information.

  3. diagram

    Which angles are congruent? Which sides correspond?