document.write( "Question 851849: The drawing shows trapezoid ABCD with AB||DC; also, M and N are midpoints of AD and BC, respectively.\r
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Algebra.Com's Answer #513104 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "The mid-segment of a trapezoid is the line segment connecting\r\n" );
document.write( "the midpoints of the two non-parallel sides.  Its length is \r\n" );
document.write( "equal to the average of the length of the bases.  So\r\n" );
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document.write( "\"%28AB%2BDC%29%2F2\"\"%22%22=%22%22\"\"MN\"\r\n" );
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document.write( "\"%288.2%2BDC%29%2F2\"\"%22%22=%22%22\"\"9.5\"\r\n" );
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document.write( "Multiply both sides by 2 to clear of fractions.\r\n" );
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document.write( "\"8.2%2BDC\"\"%22%22=%22%22\"\"19\"\r\n" );
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document.write( "Subtract 8.2 from both sides:\r\n" );
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document.write( "\"DC\"\"%22%22=%22%22\"\"10.8\"\r\n" );
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document.write( "Edwin
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