Page 698 - Basic College Mathematics with Early Integers

S E C T I O N 9.6 I CONGRUENT AND SIMILAR TRIANGLES 675

7. 8.
52 m 122 98 m
57 km
36 km
93
93
52 m 122
98 m 57 km 36 km

Objective Find each ratio of the corresponding sides of the given similar triangles. See Example 2.

9. 22 11 10.
6 32
12 16
7
8
14 4
7 28
11. 12 12.
8 6 6 4q 4q

8 6
10.5 7
6
9

Objective Given that the pairs of triangles are similar, find the unknown length of the side labeled n.
See Example 3.

13. 6 14. 5 15.
3 9
n 3 60 12 18
n n
4

16. n 17. n 12 18.
4 3.75 9 9 15 n 22.5
7 14

19. 20. 14 21.
8
n 17.5
n 9
40 30 3.25 3.25
n
18

22. 23. 24.
33.2 n
8.3 9.6 n
18a 6
9
13q
3s
n 2

25. 32 15 26.
26
13 13
n n
60