document.write( "Question 174711: A quadrilateral has four sides. Quadrilateral ABCD has three sides that have equal measures. The measure of the fourth side is 8.0 cm longer than each of the other sides. If the perimeter of the quadrilateral is 28.0 m, find the measure of each side using the correct number of significant digits. \n" ); document.write( "

Algebra.Com's Answer #129759 by Mathtut(3670) $\"\"$ $\"About$

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let x = the measure of each of the 3 equal sides and x+8 be the measure of the 4th side of the quad
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\n" ); document.write( "x+x+x+(x+8)=28
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\n" ); document.write( "4x=20
\n" ); document.write( ":
\n" ); document.write( " $\"highlight%28x=5.0%29\"$ cm\r
\n" ); document.write( "\n" ); document.write( "3 equal sides measure $\"highlight%285.0%29\"$ cm each
\n" ); document.write( "4th side is $\"x%2B8=5%2B8=highlight%2813.0%29\"$ cm \n" ); document.write( "

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