document.write( "Question 1029124: What is the total surface area of the new tower?
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Algebra.Com's Answer #644192 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "What is the total surface area of the new tower?
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Surface area (SA) of a cylinder: \"2pi+%2A+r%5E2+%2B+2pi+%2A+rh\"	\r
\n" ); document.write( "\n" ); document.write( "Surface area (SA) of top cylinder: \"2pi+%2A+r%5E2+%2B+2pi+%2A+rh\" - circular base of top(smaller cylinder), OR
\n" ); document.write( "\"pi+%2A+%2818%2F2%29%5E2+%2B+2pi+%2A+%2818%2F2%29+%2A+18+=+pi+%2A+9%5E2+%2B+2pi+%2A+9+%2A+18\" = 1,272.345025 sq inches
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\n" ); document.write( "Surface area (SA) of bottom cylinder: \"2pi+%2A+r%5E2+%2B+2pi+%2A+rh\" - circular base of top (smaller cylinder), OR
\n" ); document.write( "\"2pi+%2A+%2836%2F2%29%5E2+%2B+2pi+%2A+%2836%2F2%29+%2A+18+-+pi+%2A+%2818%2F2%29%5E2\" -------> \"2pi+%2A+18%5E2+%2B+2pi+%2A+18+%2A+18+-+pi+%2A+9%5E2\" = 3817.035074 sq inches\r
\n" ); document.write( "\n" ); document.write( "Total surface area: 1,272.345025 + 3817.035074 = \"highlight_green%28matrix%281%2C3%2C+%225%2C089.38%22%2C+sq%2C+inches%29%29\" \n" ); document.write( "
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