document.write( "Question 785861: If the length of a rectangle is twice its width.if the length of the diagonal of the rectangle is square root of 15, fint the length of the rectangle.
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Algebra.Com's Answer #477747 by vic21(4)\"\" \"About 
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c^2 = a^2 + b^2 \r
\n" ); document.write( "\n" ); document.write( "√15 is the hypotenuse\r
\n" ); document.write( "\n" ); document.write( "if L = 2W\r
\n" ); document.write( "\n" ); document.write( "then\r
\n" ); document.write( "\n" ); document.write( "(2W)^2 + W^2 = (√15)^2\r
\n" ); document.write( "\n" ); document.write( "4W^2 + W^2 = 15\r
\n" ); document.write( "\n" ); document.write( "5w^2 = 15\r
\n" ); document.write( "\n" ); document.write( "w^2 = 15/5 = 3\r
\n" ); document.write( "\n" ); document.write( "w= √3\r
\n" ); document.write( "\n" ); document.write( "then from L=2W
\n" ); document.write( "L= 2(√3)\r
\n" ); document.write( "\n" ); document.write( "ANSWER : L = 2√3 or 3.46 \r
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