document.write( "Question 1145815: An ecologist wishes to find the height of a redwood tree that is on the other side of a creek, as shown in the figure below. From point A he finds that the angle of elevation to the top of the tree is 11.5°. He then walks 24.8 feet at a right angle from point A to point B. There he finds that the angle between AB and a line extending from B to the tree is 87.6°. \r
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Algebra.Com's Answer #767076 by Alan3354(69443)\"\" \"About 
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