document.write( "Question 1151540: A bucket in the form of a frustum of a cone. The top and bottom radius are 7cm and 4cm respectively and the height is 12cm. Calculate
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Algebra.Com's Answer #773326 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "Total surface area of a conical frustum: \r
\n" ); document.write( "\n" ); document.write( "\"A+=+pi+%2A+%28r%5B1%5D%5E2+%2B+r%5B2%5D%5E2+%2B+%28r%5B1%5D+%2B+r%5B2%5D%29+%2A+s%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"r%5B1%5D+=7cm+\"
\n" ); document.write( "\"r%5B2%5D=4cm+\"
\n" ); document.write( "\"h=12cm\" \r
\n" ); document.write( "\n" ); document.write( "\"A+=+pi+%2A+%28+7%5E2+%2B+4%5E2+%2B+%287+%2B+4%29+%2A+sqrt%28%287+-+4%29%5E2+%2B12%5E2%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=+pi+%2A+%28+49+%2B+16+%2B+11%2A+sqrt%289+%2B144%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=+632cm%5E2\"\r
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