document.write( "Question 734306: The length of one side of a square is 13 feet. What is the length, to the nearest foot, of a diagonal of the square \n" ); document.write( "
Algebra.Com's Answer #448837 by nerdybill(7384)\"\" \"About 
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The length of one side of a square is 13 feet. What is the length, to the nearest foot, of a diagonal of the square
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\n" ); document.write( "Apply Pythagorean theorem:
\n" ); document.write( "Let d = diagonal
\n" ); document.write( "then
\n" ); document.write( "d^2 = 13^2 + 13^2
\n" ); document.write( "d^2 = 169 + 169
\n" ); document.write( "d^2 = 338
\n" ); document.write( "d = 18.38
\n" ); document.write( "rounded to nearest foot
\n" ); document.write( "d = 18 feet
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