_2. Which equation would give the value of x? A. x = 10 cos 20° B. x = 10 sec 20° 10 C. x =: 10 miles cos 20° 10 D. x = : 20 sec 20° _3. How far is Carlos from his starting point? A. 10.54 miles B. 10 miles C. 9.39 miles D. 8 miles

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Carlos walked 10 miles at an angle of 20° north of due east.
_2. Which equation would give the value of x?
A. x= 10 cos 20°
B. x = 10 sec 20°
C. x =
D. x =-
10
10 miles
cos 20°
10
sec 20°
20
E
_3. How far is Carlos from his starting point?
A. 10.54 miles
C. 9.39 miles
B. 10 miles
D. 8 miles
_4. Rabiya walks 25 yards across the diagonal of a rectangular field. If the angle between
the width and the diagonal is 67°, how wide is the field?
А. 63.98 yds
В. 27.16 yds
C. 23.01 yds
D. 9.77 yds
_5. What is the length of a rafter that makes an angle of 35° with the floor of an attic
whose center is 9.5 meters from the edge?
A. 5.45 m
В. 7.78 m
С. 11.60 m
rafter
D. 13.54 m
95m
Transcribed Image Text:Carlos walked 10 miles at an angle of 20° north of due east. _2. Which equation would give the value of x? A. x= 10 cos 20° B. x = 10 sec 20° C. x = D. x =- 10 10 miles cos 20° 10 sec 20° 20 E _3. How far is Carlos from his starting point? A. 10.54 miles C. 9.39 miles B. 10 miles D. 8 miles _4. Rabiya walks 25 yards across the diagonal of a rectangular field. If the angle between the width and the diagonal is 67°, how wide is the field? А. 63.98 yds В. 27.16 yds C. 23.01 yds D. 9.77 yds _5. What is the length of a rafter that makes an angle of 35° with the floor of an attic whose center is 9.5 meters from the edge? A. 5.45 m В. 7.78 m С. 11.60 m rafter D. 13.54 m 95m
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