A pilot in a helicopter observes that the angle of depression of a raft on the sea is 28 degrees 10 minutes and on descending vertically 500 feet the angle is 12 degrees 10 minutes. Find the height of the helicopter at the first observation and the horizontal distance of the raft from the line of descent.

Question

goformit100 · Answer

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campbell_st · Answer

draw a triangle and show the information 

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the angle between the 2 observations is 16

the angle complementary to the 1st observation is 61 50'