15th of April 2010 0
Added in 1990 and removed in 1997, the highest advertising sign in the world was a large letter I situated at the top of the 73-story First Interstate World Center building in Los Angeles. At a distance of 171 feet from a point directly below the sign, the angle between the ground and the top of the sign was 80.48°. Approximate the height of the top of the sign. (Round your answer to the nearest whole number.)
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