document.write( "Question 884135: ABCD is a parallelogram, BC= 5x-1, AD= 9; AB= 4 and CD= 2x. Find x and after find the measures of sides.\r
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Algebra.Com's Answer #534109 by Fombitz(32388)\"\" \"About 
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Since it's a parallelogram, opposite sides are equal in length.
\n" ); document.write( "\"AB=CD\"
\n" ); document.write( "\"BC=DA\"
\n" ); document.write( "\"4=2x\"
\n" ); document.write( "\"x=2\"
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\n" ); document.write( "\n" ); document.write( "\"5x-1=9\"
\n" ); document.write( "\"5x=10\"
\n" ); document.write( "\"x=2\"
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\n" ); document.write( "\"CD=AB=4\"
\n" ); document.write( "\"BC=DA=9\"
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