document.write( "Question 1133964: An open box with base 14 cm by 18 cm and height 9 cm (external dimensions) is constructed with all four sides and the bottom 2 cm thick. What is the total surface area of this box in square cm? \n" ); document.write( "
Algebra.Com's Answer #751252 by Glaviolette(140)\"\" \"About 
You can put this solution on YOUR website!
I believe the thickness of the bottom is irrelevant for surface area.
\n" ); document.write( "SA = 14(18) + 2(18)(9) + 2(14)(9)
\n" ); document.write( "SA = 828 cm^2
\n" ); document.write( "
\n" );