document.write( "Question 910316: What is the perimeter of a square whose area is 49cm? \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( " .\n" ); document.write( "s the length of each side\n" ); document.write( "A = s•s = 49cm^2\n" ); document.write( "s^2 = 49cm^2 (Tossing out the negative solution for unit measure)\n" ); document.write( "s = 7cm