document.write( "Question 1090475: Points A, B, C, D, and E are five points on a line segment with endpoints A and E. The points are in order listed above from left to right such that DC = AB/2, BC = CD/2, AB = AE/2, and AE = 12. What And you are is the length of AD? \n" ); document.write( "

Algebra.Com's Answer #704977 by Fombitz(32388) $\"\"$ $\"About$

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$\"AB=2%2ACD\"$
\n" ); document.write( " $\"CD=2%2ABC\"$
\n" ); document.write( " $\"AE=2%2AAB\"$
\n" ); document.write( " $\"AE=12\"$
\n" ); document.write( "Working backwards,
\n" ); document.write( " $\"2%2AAB=12\"$
\n" ); document.write( " $\"AB=6\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"6=2%2ACD\"$
\n" ); document.write( " $\"CD=3\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( " $\"BC=CD%2F2\"$
\n" ); document.write( " $\"BC=3%2F2\"$
\n" ); document.write( ".
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\n" ); document.write( " $\"AD=AB%2BBC%2BCD\"$
\n" ); document.write( " $\"AD=6%2B3%2F2%2B3\"$
\n" ); document.write( " $\"AD=12%2F2%2B3%2F2%2B6%2F2\"$
\n" ); document.write( " $\"AD=21%2F2\"$
\n" ); document.write( " \n" ); document.write( "

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