document.write( "Question 1092227: AB and CD are two buildings which are next to each other. The height of AB is 50 m. The elevation of C from A and B are 50 degrees and 70 degrees respectively. Find the horizontal distance between two buildings. Then find the height of CD.\r
\n" ); document.write( "\n" ); document.write( "The sketch is a bit difficult to get, but thank you so much! \n" ); document.write( "
Algebra.Com's Answer #706830 by ikleyn(52794)\"\" \"About 
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\n" ); document.write( "I don't know why you use two letters to designate the buildings.\r
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\n" ); document.write( "\n" ); document.write( "Probably, one letter stays for the bottom, while the other for the top.\r
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\n" ); document.write( "\n" ); document.write( "Then, why do not say it directly and explicitly, \"who is who\" and who stands for what?\r
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\n" ); document.write( "\n" ); document.write( "Second. The term \"elevation\" does not mean the angle. It means ELEVATION, which measures in the length units, not in degrees.\r
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\n" ); document.write( "\n" ); document.write( "Learn on how to formulate math problems correctly.\r
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