document.write( "Question 1012981: AB and CD; AB and BC are two possible pairs, any two lines on the same face. \n" ); document.write( "
Algebra.Com's Answer #629114 by ikleyn(52797)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "Unclear.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |