Question 2:From a point A at sea two boats set out. The first boat travels in a straight line in the direction ameasured clockwise from north to a point B. The second boat travels in a straight line in the directionB° measured anticlockwise from south to a point C. Given AB is c km, AC is b km, and BC is a km.Consider the statements and select the correct option below.(a) a – b² – c = 2bc cos(a + 3);(b) a – 2bc cos(a)cos(3) = c + b? – 2bc sin(a) sin(8)1. Only (a) is true3. Both (a) and (b) are true2. Only (b) is true4. Neither (a) nor (b) are trueQuestion 3:Suppose that in the situation of Question 2 we know that distance from A to C is 5 km, the distancefrom A to B is 3 km, a = 15° and 8 = 30°. What is the distance from B to C?1. V34 + 15/5 kmV34 + 15/3 km2. 4 km3.4. None of the preceding.

using given information, we can answer the questionsTwo boats starting from A-..,using cosine…

Question 2: From a point A at sea two boats set out. The first boat travels in a straight line in the direction a° measured clockwise from north to a point B. The second boat travels in a straight line in the direction 3° measured anticlockwise from south to a point C. Given AB is c km, AC is b km, and BC is a km. Consider the statements and select the correct option below. (a) a – b? – c = 2bc cos(a + 3); (b) a – 2bc cos(a)cos(3) = c² + b² – 2bc sin(a) sin(8) 1. Only (a) is true 3. Both (a) and (b) are true 2. Only (b) is true 4. Neither (a) nor (b) are true Question 3: Suppose that in the situation of Question 2 we know that distance from A to C is 5 km, the distance from A to B is 3 km, a = 15° and 3 = 30°. What is the distance from B to C? 1. V34 + 15V5 km 34 + 15/3 km 2. 4 km 3. 4. None of the preceding.

Question 2: From a point A at sea two boats set out. The first boat travels in a straight line in the direction a° measured clockwise from north to a point B. The second boat travels in a straight line in the direction 3° measured anticlockwise from south to a point C. Given AB is c km, AC is b km, and BC is a km. Consider the statements and select the correct option below. (a) a – b? – c = 2bc cos(a + 3); (b) a – 2bc cos(a)cos(3) = c² + b² – 2bc sin(a) sin(8) 1. Only (a) is true 3. Both (a) and (b) are true 2. Only (b) is true 4. Neither (a) nor (b) are true Question 3: Suppose that in the situation of Question 2 we know that distance from A to C is 5 km, the distance from A to B is 3 km, a = 15° and 3 = 30°. What is the distance from B to C? 1. V34 + 15V5 km 34 + 15/3 km 2. 4 km 3. 4. None of the preceding.

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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