Exercise 1 Straight Lines and Angles ♦ Section 1 Straight Lines and Angles ♦ 27.2° (a) 1. Find angle in Figs. 6-12 (a), (b), and (c). 2. Find angles A, B, C, D, E, F, and G in Fig. 6-13. 3. Find distance x in Fig. 6-14. 8 115.4° (b) FIGURE 6-12 (c) 37.7 I

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 42E
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Question
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X
A ARC X
1
48 ft
arch/pdf/FMfcgzGqPzLkZzjHlhkbdqPfJptVHrJK?projector=1
14
nue B
IIT IIT-X
Avenue A
402 ft
P
O
FIGURE 6-11
0
1st St.
27.2°
(a)
2nd St.
Con X
3rd St
R 4th St.
Section 1 Straight Lines and Angles
Bb 1174 X
Similarly,
0
Bb 1174 X
+++ Example 3: An Application. A portion of a street map is shown in Fig. 6-11.
Find the distances PQ and QR.
Solution: From statement 66,
115.4°
(b)
FIGURE 6-12
PQ 402
172
0
b
=
PQ =
QR
448
QR=
(c)
=
Exercise 1 Straight Lines and Angles
♦
355
402
355
1. Find angle in Figs. 6-12 (a), (b), and (c).
2. Find angles A, B, C, D, E, F, and G in Fig. 6-13.
3. Find distance x in Fig. 6-14.
Sea X
402
355
402
355
(172) 195 ft
37.7°
(448) = 507 ft
Applications
4. Find angles A and B in Fig. 6-15. Assume that each beam is of uniform
width.
5. On a certain day, the angle of elevation of the sun (the angle that the sun's rays
make with the horizontal) is 46.3°, as shown in Fig. 6-16. Find the angles A, B,
C, and D that a ray of sunlight makes with a horizontal sheet of glass. Assume
Ana X
I
M Inbo X
R
Parallel
M MAT
179
Transcribed Image Text:X A ARC X 1 48 ft arch/pdf/FMfcgzGqPzLkZzjHlhkbdqPfJptVHrJK?projector=1 14 nue B IIT IIT-X Avenue A 402 ft P O FIGURE 6-11 0 1st St. 27.2° (a) 2nd St. Con X 3rd St R 4th St. Section 1 Straight Lines and Angles Bb 1174 X Similarly, 0 Bb 1174 X +++ Example 3: An Application. A portion of a street map is shown in Fig. 6-11. Find the distances PQ and QR. Solution: From statement 66, 115.4° (b) FIGURE 6-12 PQ 402 172 0 b = PQ = QR 448 QR= (c) = Exercise 1 Straight Lines and Angles ♦ 355 402 355 1. Find angle in Figs. 6-12 (a), (b), and (c). 2. Find angles A, B, C, D, E, F, and G in Fig. 6-13. 3. Find distance x in Fig. 6-14. Sea X 402 355 402 355 (172) 195 ft 37.7° (448) = 507 ft Applications 4. Find angles A and B in Fig. 6-15. Assume that each beam is of uniform width. 5. On a certain day, the angle of elevation of the sun (the angle that the sun's rays make with the horizontal) is 46.3°, as shown in Fig. 6-16. Find the angles A, B, C, and D that a ray of sunlight makes with a horizontal sheet of glass. Assume Ana X I M Inbo X R Parallel M MAT 179
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