### Home > CCG > Chapter 5 > Lesson 5.1.4 > Problem 5-41

5-41.

Which of the triangles below are similar to * *at right? How do you know? Explain.

Notice that

Triangles (a), (b), (c), and (d) are all similar because they are all equilateral triangles.

All three sides are proportional ((b), (c), and (d)) and