Page 108 - Math Course 3 (Book 2)

Similar Triangles

Skill Practice!

Determine whether each pair of triangles is similar. Justify your answer.

1. 2.

3. 4.

For each set of measures given, find the measures of the missing sides if △PQR ~ △STU.

5. r = 4, s = 6, t = 3, u = 2

6. t = 8, p = 21, q = 14, r = 7

7. p = 15, q = 10, r = 5, s = 6

8. p = 48, s = 16, t = 8, u = 4

3 1
9. q = 6, s = 2, t = , u =
2 2

1
10. p = 3, q = 2, r = 1, u =
3

11. p = 14, q = 7, u = 2.5, u = 5

21 9
12. r = 6, s = 3, t = , u = 4
8

100