document.write( "Question 334774: At a point 40 feet from the base of a building, the angle of elevation to the top of the building is 55°.
\n" ); document.write( "Find the height of the building to the nearest whole foot.
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Algebra.Com's Answer #239873 by mananth(16946)\"\" \"About 
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base = 40 feet
\n" ); document.write( "angle of elevation = 55
\n" ); document.write( "..
\n" ); document.write( "\"+Tan+%28alpha%29+=+vertical+%2F+base\"
\n" ); document.write( "\"tan%2855%29=height+%2F40\"
\n" ); document.write( "height = tan 55 * 40
\n" ); document.write( "height = 1.428*40
\n" ); document.write( "57.12 feet
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