document.write( "Question 816588: Find the lenght of a rectangle if its width is 13 less than the lenght and its perimeter 90cm \n" ); document.write( "

Algebra.Com's Answer #491590 by TimothyLamb(4379) $\"\"$ $\"About$

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p = 2L + 2w
\n" ); document.write( "90 = 2L + 2(13)
\n" ); document.write( "---
\n" ); document.write( "2L = 90 - 2(13)
\n" ); document.write( "2L = 90 - 26
\n" ); document.write( "2L = 64
\n" ); document.write( "---
\n" ); document.write( "L = 32 cm
\n" ); document.write( "---
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