document.write( "Question 1159114: An isosceles trapezoid has a perimeter of 108.5 millimeters. Its shorter base measures 1 millimeter and its longer base measures 29.9 millimeters. The two remaining sides have the same length; what is that length? \n" ); document.write( "
Algebra.Com's Answer #782103 by Amily_2190(27)\"\" \"About 
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Perimeter= total length of the outline of the shape.\r
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\n" ); document.write( "\n" ); document.write( "let 2x=the length of the two remaining sides
\n" ); document.write( "108.5=1+29.9+2x
\n" ); document.write( "77.6=2x
\n" ); document.write( "x=38.8 mm.\r
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\n" ); document.write( "\n" ); document.write( "The two remaining sides each have a length of 38.8 mm
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