document.write( "Question 1018135: the surface area of the open circular cylinder is r=4',h=7'
\n" ); document.write( "what is the answer?
\n" ); document.write( "

Algebra.Com's Answer #634290 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
The radius is 4 feet, and the circumference is 2 pi r or 8 pi.
\n" ); document.write( "Straighten this out, and there is a rectangle with length 8pi feet and width 7 feet. The surface area is 56 pi square feet. (175.93 sq ft)
\n" ); document.write( "
\n" );