document.write( "Question 215356: the perimeter of a square is 36 cm. find the length of the diagonal. \n" ); document.write( "
Algebra.Com's Answer #162716 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
36/4=8 cm. is the side length
\n" ); document.write( "8^2+8^2=d^2
\n" ); document.write( "64+64=d^2
\n" ); document.write( "128=d^2
\n" ); document.write( "d=sqrt128
\n" ); document.write( "d=11.3137 cm. is the length of the diagonal.
\n" ); document.write( "
\n" );