document.write( "Question 128624: Twice the area of a square is 72 miles. What is the length of each side of the square? \n" ); document.write( "
Algebra.Com's Answer #94110 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
2X^2=72
\n" ); document.write( "X^2=72/2
\n" ); document.write( "X^2=36
\n" ); document.write( "X=SQRT36
\n" ); document.write( "X=6 ANSWER.
\n" ); document.write( "PROOF
\n" ); document.write( "2*6^2=72
\n" ); document.write( "2*36=72
\n" ); document.write( "72=72
\n" ); document.write( "
\n" );