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A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 5.1 mi apart, to be 37 and 43,

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A pilot is flying over a straight highway. He determines the angles of depression to two mileposts, 5.1 mi apart, to be 37 and 43, as shown in the figure. 370 43 0 5.1 mi A B NOTE: The picture is NOT drawn to scale. What is the elevation of the plane in feet? Give your answer to the nearest whole number. height = feet

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