document.write( "Question 1028951: What is the lateral surface area of the stair well?
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Algebra.Com's Answer #644056 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Lateral area = 2 pi r h\r
\n" ); document.write( "\n" ); document.write( "Top one \r
\n" ); document.write( "\n" ); document.write( "2*pi*18*18\r
\n" ); document.write( "\n" ); document.write( "=2035.75 in^2...............A\r
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\n" ); document.write( "\n" ); document.write( "Bottom one\r
\n" ); document.write( "\n" ); document.write( "Lateral Area = 2 * pi * r*h\r
\n" ); document.write( "\n" ); document.write( "=2*pi*36*18\r
\n" ); document.write( "\n" ); document.write( "=4071.50 in^2...........................B\r
\n" ); document.write( "\n" ); document.write( "Add them up\r
\n" ); document.write( "\n" ); document.write( "Area = pi*(r1^2-r2^2)\r
\n" ); document.write( "\n" ); document.write( "=pi *54*18
\n" ); document.write( "=3053.63 in^2..........................C\r
\n" ); document.write( "\n" ); document.write( "Add all the three values . Not too sure if you need to add C
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