Find the angle theta and length AB in the truss shown in Fig. 7-22.

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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17. Find the angle theta and length AB in the truss shown in Fig. 7-22.
FIGURE 7-21 A compass direction of
S 27°12' E means an angle of 27°12'
13. А
tu
measured from due south to the east.
re
Also, remember that 1 minute of arc (1')
is equal to 1/60 degree, or 60' = 1º.
14. A
a
В
15. А
10.3 ft
n
Struc
16. A
tl
17. F
18. A
19. A
FIGURE 7-22
20. C
a
tl
34.0°
21. A
ti
22. A
12.5 ft
Transcribed Image Text:FIGURE 7-21 A compass direction of S 27°12' E means an angle of 27°12' 13. А tu measured from due south to the east. re Also, remember that 1 minute of arc (1') is equal to 1/60 degree, or 60' = 1º. 14. A a В 15. А 10.3 ft n Struc 16. A tl 17. F 18. A 19. A FIGURE 7-22 20. C a tl 34.0° 21. A ti 22. A 12.5 ft
antenna and måkes an angle Ul 83.2
WitI tiIO
the antenna and (b) the length L of the wire.
17. Find the angle 0 and length AB in the truss shown in Fig. 7–22.
18. A house is 8.75 m wide, and its roof has an angle of inclinatic
Transcribed Image Text:antenna and måkes an angle Ul 83.2 WitI tiIO the antenna and (b) the length L of the wire. 17. Find the angle 0 and length AB in the truss shown in Fig. 7–22. 18. A house is 8.75 m wide, and its roof has an angle of inclinatic
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