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Trigonometry
Question

5. Surveying A surveyor in a helicopter is determi...

5. Surveying A surveyor in a helicopter is determining the width of an island, as shown in the figure. (a) What is the shortest distance \(d\) the helicopter must travel to land on the island? (b) What is the horizontal distance \(x\) the helicopter must travel before it is directly over the nearer end of the island? (c) Find the width \(w\) of the island. Explain how you found your answer. 

Answer

a. d = 4767 ft

b. x = 3705 ft

c. w = 5888 - 3705 =2183 ft

Solution
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