document.write( "Question 1148548: 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 220 feet from a point directly below the sign, the angle between the ground and the top of the sign was 77.79°. Approximate the height of the top of the sign. \n" ); document.write( "

Algebra.Com's Answer #769897 by ikleyn(53937) $\"\"$ $\"About$

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\n" ); document.write( "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
\n" ); document.write( "First Interstate World Center building in Los Angeles. At a distance of 220 feet from a point at the ground level directly below the sign,
\n" ); document.write( "the angle between the ground and the top of the sign was 77.79°. Approximate the height of the top of the sign.
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document.write( "Let  y = the height of the top of the sign.\r\n" );
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document.write( "Then tan(77.79°) = ,  which implies  y = 220*tan(77.79°) feet.\r\n" );
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document.write( "Use your calculator to get the value . . . \r\n" );
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