SOLUTION: Please help me answer this question
a man walks due west for 4kilometers, he then change direction and walks on a bearing of 197degrees untill he is southwest of his starting poin
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Question 621252: Please help me answer this question
a man walks due west for 4kilometers, he then change direction and walks on a bearing of 197degrees untill he is southwest of his starting point,how far is he then from his starting point.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
a man walks due west for 4kilometers, he then change direction and walks on a bearing of 197degrees untill he is southwest of his starting point,how far is he then from his starting point.
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Label the starting point A, 4 km West B & the 3rd point C.
Angle A = 45 degs
Angle B = 107 degs
Angle C = 28 degs
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Side AC = side b
Side AB = side c = 4 km
Use Law of Sines
c/sin(C) = b/sin(B)
c = 4*sin(107)/sin(28)
c =~ 8.148 km
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