document.write( "Question 804077: the width of a rectangle is 7 inches and its diagonal is 12 inches,find the length of the rectangle. round to the nearest tenth of an inch. please show work \r
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Algebra.Com's Answer #484594 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
The diagonal is the hypotenuse of a right triangle and the rectangle's \"length\" is the other leg of the right triangle.\r
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\n" ); document.write( "\n" ); document.write( "Pythagorean Theorem: \"7%5E2%2Bu%5E2=12%5E2\" using u as the unknown leg length.\r
\n" ); document.write( "\n" ); document.write( "\"u%5E2=144-49\"
\n" ); document.write( "\"u%5E2=91\"
\n" ); document.write( "\"highlight%28u=sqrt%2891%29%29\"
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