### Home > INT2 > Chapter 2 > Lesson 2.3.4 > Problem 2-114

2-114.

Which pairs of triangles below are congruent and/or similar? For each part, explain how you know using an appropriate triangle congruence or similarity condition. Note: The diagrams are not necessarily drawn to scale. Homework Help ✎

What does it mean for two triangles to be congruent? What does it mean for two triangles to be similar?

How are these two definitions different?

a. | Divide each side of the triangle on the left by 3. | b. | congruent (ASA ≅ or AAS ≅) |

c. | Use the Pythagorean Theorem to solve for the missing side. | d. | Where is the 12 located on each triangle? similar (AA ~) but not congruent since the two sides of length 12 are not corresponding |