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2-42.

two trianglesExamine the two triangles at right. Homework Help ✎

  1. Are the triangles congruent? Justify your conclusion. If they are congruent, complete the congruence statement ΔDEF .

    Use the Triangle Angle Sum Theorem to help find the missing angles, then determine whether or not the triangles are similar.

  2. What sequence of transformation(s) will map ΔDEF onto ΔJKL?

    Reflection and rotation.