document.write( "Question 878560: describe the way that the surface Area of changes when each side is decrease by %10. \n" ); document.write( "
Algebra.Com's Answer #530058 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Surface area is a function of the square of the dimensions.
\n" ); document.write( "SA = k*s^2
\n" ); document.write( "SA*x = k*(0.9s)^2 = k*0.81s^2
\n" ); document.write( "--> 19% decrease
\n" ); document.write( "
\n" ); document.write( "
\n" );