Q: Charlie is at a small airfield watching for the approach of a small plane with engine trouble. He sees the plane at an angle of elevation of 32 . At the same time, the pilot radios Charlie and

reports the plane’s altitude is 1,700 feet. Charlie’s eyes are 5.2 feet from the ground. . Find the ground distance from Charlie to the plane. Explain your work.

A: Distance is 2712.25 feet.
tan(x) = opposite over adjacent
tan(32) = (1,700 - 5.2) / x
x tan(32) = 1,694.8
x = 1,694.8/ (tan(32))
x = 2712.25 feet

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Asked 12/28/2012 12:31:45 PM

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