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6. Solve for x. Use the given illustration X° 41 below. 28 a. 45.87° b. 46.93⁰ c. 47.92 d. 46.21° a

6. Solve for x. Use the given illustration X° 41 below. 28 a. 45.87° b. 46.93⁰ c. 47.92 d. 46.21° a

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Bis 90° a. 32° b. 58° c. 68° d. 42° 8. In AEFG, if F = 90°, e = 20, and d. 60° f = 25, then g is equal to b. 32 a. 5 c. 22 d. 15 9. In A HIJ, H = 90°,J = 70°, and HJ = 10, then IH is equal to a.3.6 b. 9.4 c. 27.5 34° d. 34.2 geven base 400 and 10. In AKLM, L = 90°, l = 30, and m = 15. The angle measure of Mis b. 60° c. 26.6° a. 30° d. 63.4° 11. In ANOP, O = 90°, N = 58°, and ON = 12. What is the value of PN? a. 22.6 b. 14.2 c. 7.5 d. 6.4 12. In AQRS, R = 90°, QR = 5, and RS= 8. The value of S is a. 50.5 b. 36.9 c. 12.7° u.72.2° 6. Solve for x. Use the given illustration below. d. 58° a. 38.7° b. 51.3° c. 32° 13. In AABC, C = 90°, AC = 3, 9 and sin B = What is the lenght of BC? 15' Xº 41 a. 3 b. 4 c. 5 d. 6 28 14. In ADEF, E = 90°, DF = 30, and 6 a. 45.87° b. 46.93° sec D = Side DE is equal to? 5' b. 36 c. 60 d. 50 c. 47.92° d. 46.21° 7. In AABC, if C = 90° and A =32°, then a. 25 15. A 5-m ladder leans against a wall at an angle of 30°. How high up the wall the wall does the ladder reach? a. 2.5m b. 5 m c. 4.3 m d. 2.9 m 16. From a point 20 m away from a mango tree. The angle of elevation of the top of the tree is 50⁰. What is the height of the tree? a. 15.3m b. 12.9 m c. 23.8 m d. 16.8 m 17. A ship traveled in direction N30°E from the pier at 18 km per hour. After three hours, what is its distance from the norther direction? a. 9 km b. 16 km c. 27 km d. 47 km 18. Two lighthouses A and B are on a north-south line. The bearing of a ship at sea from lighthouse A is $40°E when it is 15 km due east of lighthouse B. What is the distance between the two lighthouses? a. 17.88 km b. 19.76 km c. 18. 87 km d. 20.16 km 19. As Ric looks up at the top of a monument, he finds that the angle of elevation is 20°. How far does he stand away from the monument if it is 5 m tall? a. 11 m b. 12 m c. 13 m d. 14 m 20. From the top of 25-m tower erected at sea level, the angle of depression of a boat at sea was 25°. How far was the boat from the base of the tower? a. 54 m b. 38.6 m c. 52 m d. 40.96 m a. 15
Transcribed Image Text:Bis 90° a. 32° b. 58° c. 68° d. 42° 8. In AEFG, if F = 90°, e = 20, and d. 60° f = 25, then g is equal to b. 32 a. 5 c. 22 d. 15 9. In A HIJ, H = 90°,J = 70°, and HJ = 10, then IH is equal to a.3.6 b. 9.4 c. 27.5 34° d. 34.2 geven base 400 and 10. In AKLM, L = 90°, l = 30, and m = 15. The angle measure of Mis b. 60° c. 26.6° a. 30° d. 63.4° 11. In ANOP, O = 90°, N = 58°, and ON = 12. What is the value of PN? a. 22.6 b. 14.2 c. 7.5 d. 6.4 12. In AQRS, R = 90°, QR = 5, and RS= 8. The value of S is a. 50.5 b. 36.9 c. 12.7° u.72.2° 6. Solve for x. Use the given illustration below. d. 58° a. 38.7° b. 51.3° c. 32° 13. In AABC, C = 90°, AC = 3, 9 and sin B = What is the lenght of BC? 15' Xº 41 a. 3 b. 4 c. 5 d. 6 28 14. In ADEF, E = 90°, DF = 30, and 6 a. 45.87° b. 46.93° sec D = Side DE is equal to? 5' b. 36 c. 60 d. 50 c. 47.92° d. 46.21° 7. In AABC, if C = 90° and A =32°, then a. 25 15. A 5-m ladder leans against a wall at an angle of 30°. How high up the wall the wall does the ladder reach? a. 2.5m b. 5 m c. 4.3 m d. 2.9 m 16. From a point 20 m away from a mango tree. The angle of elevation of the top of the tree is 50⁰. What is the height of the tree? a. 15.3m b. 12.9 m c. 23.8 m d. 16.8 m 17. A ship traveled in direction N30°E from the pier at 18 km per hour. After three hours, what is its distance from the norther direction? a. 9 km b. 16 km c. 27 km d. 47 km 18. Two lighthouses A and B are on a north-south line. The bearing of a ship at sea from lighthouse A is $40°E when it is 15 km due east of lighthouse B. What is the distance between the two lighthouses? a. 17.88 km b. 19.76 km c. 18. 87 km d. 20.16 km 19. As Ric looks up at the top of a monument, he finds that the angle of elevation is 20°. How far does he stand away from the monument if it is 5 m tall? a. 11 m b. 12 m c. 13 m d. 14 m 20. From the top of 25-m tower erected at sea level, the angle of depression of a boat at sea was 25°. How far was the boat from the base of the tower? a. 54 m b. 38.6 m c. 52 m d. 40.96 m a. 15
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