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Home > CCG > Chapter 6 > Lesson 6.1.3 > Problem 6-23


For each pair of triangles below, decide if the pair is similar, congruent or neither. Justify your conclusion with a flowchart or the reasons why the triangles cannot be similar or congruent. Assume that the diagrams are not drawn to scale. Homework Help ✎

  1. triangles

    Each triangle has a missing angle.
    Use the Triangle Angle Sum Theorem to find the measure of the angles.

    Not similar.
    There are not three pairs of corresponding angles that are congruent.

  1. triangles

    What kind of angles do parallel lines create?
    Does this make the triangles similar?