### 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

Are the corresponding sides the same length?

Not congruent; the ratio is not

.

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

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