document.write( "Question 255323: The perimeter of a square is 40 cm. what is the length of the diagonal in simplest radical form. \n" ); document.write( "
Algebra.Com's Answer #187616 by ankor@dixie-net.com(22740)\"\" \"About 
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The perimeter of a square is 40 cm.
\n" ); document.write( " what is the length of the diagonal in simplest radical form.
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\n" ); document.write( "Sides of the square (a * b) = 10 cm
\n" ); document.write( "c^2 = a^2 + b^2
\n" ); document.write( "Diagonal (c)
\n" ); document.write( "c = \"Sqrt%2810%5E2+%2B+10%5E2%29\"
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\n" ); document.write( "c = \"Sqrt%28200%29\"
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\n" ); document.write( "Factor to reveal perfect square
\n" ); document.write( "c = \"Sqrt%28100%2A2%29\"
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\n" ); document.write( "Extract the square
\n" ); document.write( "c = \"10%2ASqrt%282%29\"; is the diagonal
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