you are 80 feet from a tree. the angle of elevation from your eyes, which are 4.5 feet from the ground, to the top of the tree is 71 degrees. to the nearest tenth, how tall is the tree?
Guest Mar 1, 2012
k so the distance between you and the tree is 80 ft but the angle is 71 degrees from your eyes (adding 4.5 ft later). the side given (80ft) is adjacent to the angle and the opposite side of the angle is the height of the tree. so use tan: tan71=x/80, x=80tan71=approx 232.3369. now add the missing 4.5 ft to that and the final answer should be approx 237 ft high
Guest Mar 2, 2012

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