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19. C are 30 and 45 respectively. If BD IS /erpendicular to AC, then AD: DC A. 12 B. 1:3. C.3:1. D. 5:1.

19. C are 30 and 45 respectively. If BD IS /erpendicular to AC, then AD: DC A. 12 B. 1:3. C.3:1. D. 5:1.

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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In the figure, PQ is a flag placed on top and Q are 65° and 57° respectively. WA a wall. The angles of elevation from A to 28 m from the wall, find the length of the flag Quadrilat 21. Ler's Got Matheatics Summer Festival S.J 7.0 P 7.1 Ba 19. In the figure, ADC is a horizontal ground and the angles of elevation of B from A and C are 30 and 45 respecrively. If BD 1S perpendicular to AC, then AD: DC M De be umn N A. 1:2 correct to 3 significant figures B. 1:3. A. 16,9 m C.3:1. 18.2 m x ba В. D. S:1. area C. 23.5 m of all 20) D. 11.8 m base In the figure, the bearings of A from B and C are N30°E and N40°W respectively. If AB = AC, then the bearing of B from C is A. N5°E. B. N85°E. C. $5°W, D. S85 W. Level Up Assessment 22. At 2:00 a.m., a ship S is 200 km due east of a lighthouse L. S is moving at a speed of 20 km/h in the direction S60°W as shown in the figure. (a) Find the shortest distance between the ship and the lighthouse, correct North to the nearest km. (b) At what time will the ship be nearest to the lighthouse? Give your answer correct to the nearest minute. *82
Transcribed Image Text:In the figure, PQ is a flag placed on top and Q are 65° and 57° respectively. WA a wall. The angles of elevation from A to 28 m from the wall, find the length of the flag Quadrilat 21. Ler's Got Matheatics Summer Festival S.J 7.0 P 7.1 Ba 19. In the figure, ADC is a horizontal ground and the angles of elevation of B from A and C are 30 and 45 respecrively. If BD 1S perpendicular to AC, then AD: DC M De be umn N A. 1:2 correct to 3 significant figures B. 1:3. A. 16,9 m C.3:1. 18.2 m x ba В. D. S:1. area C. 23.5 m of all 20) D. 11.8 m base In the figure, the bearings of A from B and C are N30°E and N40°W respectively. If AB = AC, then the bearing of B from C is A. N5°E. B. N85°E. C. $5°W, D. S85 W. Level Up Assessment 22. At 2:00 a.m., a ship S is 200 km due east of a lighthouse L. S is moving at a speed of 20 km/h in the direction S60°W as shown in the figure. (a) Find the shortest distance between the ship and the lighthouse, correct North to the nearest km. (b) At what time will the ship be nearest to the lighthouse? Give your answer correct to the nearest minute. *82
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