document.write( "Question 878555: if each edge of a square is decreased %10 how does the area changes? \n" ); document.write( "
Algebra.Com's Answer #530062 by Alan3354(69443)![]() ![]() 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( " |