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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 36° and 41°, as shown in the figure.

5.1 mi36°41°BA[Graphs generated by this script: setBorder(0); initPicture(0,8,0,4); text([3.5,0.8],"5.1 mi"); text([2.8,3.1],"36°"); text([5.1,2.9],"41°"); text([6,0.25],"B"); text([1,0.25],"A"); strokedasharray="6,2"; strokewidth="1"; stroke="red"; path([[1,0.5],[4,3.5],[6,0.5]]); stroke="blue"; line([1.5,3.5],[7.2,3.5]); strokedasharray="1,0"; strokewidth="5"; line([3.9,3.5],[5.1,3.5]); stroke="brown"; strokewidth="4"; line([0,0.5],[10,0.5]); stroke = "black"; strokewidth = "1"; arc([3.2,3.5],[3.434,2.934],.8); arc([4.444,2.834],[4.8,3.5],.8); ]

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What is the elevation of the plane in feet? Give your answer to the nearest whole number.
height = feet

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