document.write( "Question 456213: Find the length of the diagonal of a rectangle whose length is 8 ft and whose width is 8.5 ft. \n" ); document.write( "
Algebra.Com's Answer #313122 by nerdybill(7384)\"\" \"About 
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Apply Pythagorean theorem:
\n" ); document.write( "Let d = length of diagonal
\n" ); document.write( "then
\n" ); document.write( "d^2 = 8^2 + 8.5^2
\n" ); document.write( "d^2 = 64 + 72.5
\n" ); document.write( "d^2 = 136.25
\n" ); document.write( "d = 11.67 ft
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