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2-42.

Examine the two triangles at right.

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

    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 onto ?

    Reflection and rotation.

Triangle D, E, F, has two angles, 70 degrees, and 60 degrees. The side opposite the 60 degree angle has 1 tick mark. Triangle J, K, L, has two angles 70 degrees and 50 degrees. The side opposite the unknown angle has 1 tick mark.