document.write( "Question 735266: The diagonal of a square is 56 centimeters long. Find the perimeter of the square to the nearest tenth. \n" ); document.write( "
Algebra.Com's Answer #449356 by lwsshak3(11628)\"\" \"About 
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The diagonal of a square is 56 centimeters long. Find the perimeter of the square to the nearest tenth.
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\n" ); document.write( "let x=side of the square
\n" ); document.write( "The diagonal and two of the sides form a right triangle
\n" ); document.write( "By the pythagorean theorem, \"56=sqrt%28x%5E2%2Bx%5E2%29=sqrt%282x%5E2%29=%28x%29sqrt%282%29\"
\n" ); document.write( "\"x=56%2Fsqrt%282%29=39.6\"
\n" ); document.write( "perimeter of the square=4x=158.4 cm
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