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Home > CCG > Chapter 9 > Lesson 9.2.1 > Problem 9-71

9-71.

For each pair of triangles below, determine if the triangles are congruent. If they are congruent, state the congruence property that assures their congruence and write a congruence statement (such as ).  Homework Help ✎

  1. triangles

    Are the corresponding sides the same length?

    Not congruent; the ratio is not .

  1. triangles

    What do the marks on the sides mean? Does the fact that they share a side help prove they are congruent?

  1. triangles

    What do you notice about the side lengths of the triangles?